Kids Multi-Level Race Track with Cars and Helicopter

Explore the excitement of a multi-level race track designed specifically for kids! This page dives into the engaging world of racing cars and helicopters, offering creative play scenarios that ignite imagination and foster motor skills. You'll discover how these dynamic playsets encourage children to experiment with speed, strategy, and teamwork as they navigate their own thrilling raceways. Join us in celebrating the joy of active play and the endless adventures that come with it!

Race Into Learning with Cars Fun

Our Rank:
The Mattel Disney and Pixar Cars Playset with 2 Toy Cars is a thrilling way to engage young minds while they race Lightning McQueen and Francesco Bernoulli! This playset not only promotes imaginative play but also develops fine motor skills and hand-eye coordination as kids crank the kid-powered booster and navigate the crisscrossed track. By incorporating elements of physics with the jumping stunt and friendly competition, it encourages critical thinking and problem-solving skills in a fun, hands-on environment. 4+ years
Develops skills:
fine motor skills, hand-eye coordination, problem solving, critical thinking, imaginative play
Why we love it:
Race Into Learning with Cars Fun includes a kid-powered booster that thrills while teaching physics concepts—who knew learning could zoom by so quickly?

Race into STEM Fun with LEGO Cars

Our Rank:
The KLUTZ Lego Race Cars STEM Activity Kit brings excitement and learning together in a thrilling way! Our 64-page step-by-step guide walks your child through building 10 unique LEGO race cars and crafting their very own custom track for head-to-head racing action. Not only does this kit stimulate imaginative play, but it also nurtures critical STEM skills such as problem-solving, engineering concepts, and creativity as kids mix and match the included 124 bricks to create their dream racers. It's a fantastic choice for parents and educators looking to inspire a love for learning while enjoying quality time with their little engineers! 8+ years
Develops skills:
problem solving, engineering concepts, creativity, fine motor skills, spatial reasoning, collaborative play
Why we love it:
Race into STEM Fun with LEGO Cars includes a 64-page guide for building 10 unique race cars, making learning feel like a fast-paced adventure on the track!

Tonka Sports Cars: Race into Learning Fun!

Our Rank:
Tonka, 3-Pack Sports Cars are the perfect companion for your little speedster! Designed with robust plastic and friction-powered technology, these cars offer endless opportunities for imaginative play that sharpens fine motor skills and fosters creativity. With realistic lights and sounds, kids can immerse themselves in their own thrilling race tracks, learning about cause and effect as they 'drive' their cars, and experiencing auditory and visual stimulation that enhances sensory development. As parents, we know that choosing Tonka means investing in durable, high-quality toys that will stand the test of time while keeping our children engaged and active away from screens. 3+ years
Develops skills:
fine motor skills, imaginative play, sensory development, cause and effect, auditory stimulation, visual stimulation
Why we love it:
Tonka Sports Cars: Race into Learning Fun! includes realistic lights and sounds, making every race an exciting exploration of learning through play in a durable package.

Hot Wheels ZipBin Racetrack Playmat

Our Rank:
The Hot Wheels Tara Toy ZipBin Wheelie Track Pack is an exciting fusion of play and organization, perfect for young car enthusiasts aged 3 and up. With its vibrant, race-themed design, the mat not only sparks imaginative play but also helps children develop vital skills such as motor coordination and spatial awareness as they maneuver their cars across the expansive 35.5-inch racetrack. Plus, with the ability to hold up to 100 toy cars and the convenience of portable storage, parents will appreciate how it encourages responsibility—making clean-up a breeze after a fun-filled race day. It's perfect for solo adventures or playdates, fostering social skills and teamwork as kids share their favorite cars. 3+ years
Develops skills:
motor coordination, spatial awareness, imaginative play, responsibility, social skills
Why we love it:
Hot Wheels ZipBin Racetrack Playmat, featuring a vibrant race-themed design, makes clean-up a breeze while fueling hours of imaginative adventures and team play.

Racetrack Adventure: Collapsible Playset Fun

Our Rank:
Driven by Battat – 84-Piece Collapsible Racetrack Playset with 6 Mini Cars is a fantastic way to engage our little ones in imaginative play! This toy set not only offers endless entertainment as they launch cars and navigate the racetrack but also encourages fine motor skills and spatial awareness as they assemble the track. The transformable auto shop adds an extra layer of creativity, allowing kids to explore different scenarios while learning to problem-solve. Perfect for building cooperation and sharing when kids race together, this playset is a delightful blend of fun and learning for ages 3 and up. 3+ years
Develops skills:
fine motor skills, spatial awareness, problem solving, imaginative play, cooperation
Why we love it:
Racetrack Adventure: Collapsible Playset Fun comes with 84 pieces, transforming playtime into a creative engineering challenge that sparks teamwork and boundless racing excitement!

Exciting Push & Go Race Cars!

Our Rank:
Driven by Battat – Toy Race Car Set brings the thrill of the race right into your child's hands! With these easy-to-use push cars, kids can develop their fine motor skills as they learn to push down and watch them zoom away. The lights and sounds feature offers an engaging sensory experience that captures their imagination while encouraging imaginative play. Perfect for sparking an interest in vehicles and engineering concepts, this race car set makes a fantastic addition to any playroom for little speed enthusiasts aged 3 and up. 3+ years
Develops skills:
fine motor skills, imaginative play, sensory perception, spatial awareness, problem solving
Why we love it:
Exciting Push & Go Race Cars! feature engaging lights and sounds that fuel imaginative play while helping little hands develop important fine motor skills as they zoom around.

Create & Race: DIY Wooden Cars

Our Rank:
Make By Me Build & Paint Your Own Wooden Cars is the perfect hands-on project for little builders and budding artists! Designed for ages 6 and up, this DIY wood craft kit encourages creativity, fine motor skills, and imaginative play as kids assemble and paint their very own race cars. With 12 vibrant paints and cool sticker sheets, your child can create unique designs while learning about colors and patterns. It’s a fantastic way to foster creativity and engineering skills—all without needing any extra tools! 6+ years
Develops skills:
fine motor skills, creativity, engineering skills, color recognition, pattern making, imaginative play
Why we love it:
Create & Race: DIY Wooden Cars includes 12 vibrant paints and sticker sheets, making it an unforgettable hands-on experience that inspires creativity and transforms little builders into race car designers.

Crazy Fast Cars for Epic Races

Our Rank:
Little Tikes® My First Cars™ Crazy Fast™ Cars 2-Pack Dine Dashers brings the thrill of racing right into your living room! With engaging food-themed vehicles like a Taco Truck and Pizza Delivery Van, kids can not only enjoy hours of fun but also develop fine motor skills as they pull back and release their speedy cars. We love watching kids immerse themselves in imaginative play while honing teamwork and social skills during friendly races. Plus, this set inspires curiosity about different food services and encourages storytelling—perfect for young minds eager to explore and learn! 3+ years
Develops skills:
imaginative play, fine motor skills, teamwork, social skills, storytelling, curiosity
Why we love it:
Crazy Fast Cars for Epic Races includes fun food-themed vehicles like a Taco Truck, turning playtime into a deliciously exhilarating race and boosting creativity along the way.

Dino Racecars Painting Adventure

Our Rank:
Blue Marble National Geographic Pull Back Dinosaur Race Cars Craft Kit is the perfect fusion of creativity and fun! As fellow parents, we understand the joy of seeing our little ones paint their own T. rex, Stegosaurus, and Triceratops racecars. Not only does this kit spark imagination and enhance fine motor skills through painting, but it also promotes critical thinking as kids strategize their races. Plus, since these cars require no batteries, the excitement of racing can continue endlessly without interruptions, making it an ideal choice for family bonding and interactive play! 4-10 years
Develops skills:
fine motor skills, creativity, critical thinking, problem solving, cooperative play, imagination
Why we love it:
Dino Racecars Painting Adventure includes three paintable dinosaur racecars, making it a delightful way for kids to explore their creativity while racing through imaginative play!

Ultimate Cars Die-Cast Racer Adventure Set

Our Rank:
Bundle of Mattel Disney Pixar Cars Die-Cast Mini Racers 10-Pack Vehicles + Mack Hauler is the perfect way for our little ones to dive into the fast-paced world of Racing! Not only do these vibrant, authentically styled vehicles spark imaginative play, but they also help develop fine motor skills as kids maneuver and transport their favorite characters. With iconic personalities like Lightning McQueen and Sally, children can reenact thrilling scenes or forge new adventures, boosting their storytelling and social skills. This engaging set encourages creativity, fosters social interaction during playdates, and supports an ongoing interest in STEM concepts as they learn about transportation and teamwork. 3+ years
Develops skills:
fine motor skills, imaginative play, storytelling, social interaction, teamwork, transportation concepts
Why we love it:
Ultimate Cars Die-Cast Racer Adventure Set comes with a bundle of 10 iconic vehicles, making racing and storytelling a thrilling adventure that sparks creativity and collaboration among friends.

LEGO F1 Collectible Race Cars Set

Our Rank:
The LEGO F1 Collectible Race Cars 6 Pack is the ultimate way for kids aged 6 and up to immerse themselves in the thrill of racing! This engaging building set promotes creativity and problem-solving as children construct their own fleet of iconic F1 cars, all while enhancing fine motor skills through intricate building tasks. With authentic racing details and random surprises in each mystery box, kids will experience the excitement of unboxing as they discover and race their favorite teams. Perfect for birthday party favors or gifts, this set encourages imaginative play and teamwork among young F1 fans. 6+ years
Develops skills:
fine motor skills, creativity, problem solving, teamwork, spatial reasoning, imagination
Why we love it:
LEGO F1 Collectible Race Cars Set includes a thrilling six-pack of buildable cars that fuel creativity and problem-solving skills while keeping kids racing toward imaginative play and teamwork.

Nitro Launcher Toy Car Race Track Fun

Our Rank:
Nitro Launcher Toy Car Race Track Set is a delightful way to immerse our kids in the thrilling world of racing! As parents and educators, we know how important play is for developing fine motor skills and hand-eye coordination, and this engaging set allows our little ones to learn through action. With easy-to-use features, they can pull back the launcher, position the sleek sports cars, and watch them zoom down the tracks, sparking excitement and creativity. Plus, it’s compatible with other DRIVEN by Battat pocket playsets, making it a fantastic addition to any collection, and perfect for fostering imaginative play and collaborative racing challenges among friends and siblings! 3+ years
Develops skills:
fine motor skills, hand-eye coordination, teamwork, problem solving, imaginative play
Why we love it:
Nitro Launcher Toy Car Race Track Fun features easy-to-use launchers that get kids zooming into action, fostering both creativity and friendly competition with friends and siblings.

LEGO BMW Race Cars for Young Builders

Our Rank:
The LEGO Speed Champions BMW M4 GT3 & BMW M Hybrid V8 Race Cars set is a thrilling adventure for kids aged 9 and up. This engaging building experience not only nurtures creativity and problem-solving skills, but it also allows children to dive into the world of automotive engineering by replicating authentic BMW designs. With two buildable models and driver minifigures, kids can race their creations while developing fine motor skills and understanding vehicle mechanics in a fun and interactive way. As parents, we know these moments of hands-on play foster not just fun, but essential life skills in our young learners! 9+ years
Develops skills:
fine motor skills, problem solving, creativity, engineering, teamwork
Why we love it:
LEGO BMW Race Cars for Young Builders includes two buildable models that spark creativity while teaching kids about vehicle mechanics and teamwork in a thrilling way.

Ultimate Carrier Truck Race Track Set

Our Rank:
The Carrier Truck for 3-6 Year Old Kids transforms playtime into an exhilarating learning experience! This innovative toy not only provides a thrilling 5.3-foot race track but also encourages spatial awareness and fine motor skills as kids engage in competitive racing with their friends. With features like dual launchers and a clever storage solution for the included six die-cast cars, children can enhance their problem-solving abilities while organizing their play space. As educators and parents, we cherish toys that blend fun and learning, making this set a fantastic addition to any child’s playtime adventures. 3-6 years
Develops skills:
spatial awareness, fine motor skills, problem solving, competitive play, social skills
Why we love it:
Ultimate Carrier Truck Race Track Set includes a thrilling 5.3-foot race track that turns competition into a fun way for kids to develop valuable skills while racing their friends.

Glow Track Race and Learn Fun!

Our Rank:
The USA Toyz Glow Tracks Starter Kit Race Tracks and 2 LED Toy Cars takes playtime to a whole new level! This vibrant, interactive race track set not only provides endless fun but also cultivates essential STEM skills as kids engage in building and problem-solving. With 216 flexible and bendable neon tracks, they can craft their own unique speedways, learning about design principles and physics through play. Perfect for fostering teamwork as children race their glowing cars in the dark, this toy promotes creativity, critical thinking, and collaborative play! 3+ years
Develops skills:
critical thinking, creativity, teamwork, problem solving, design principles, physics exploration
Why we love it:
Glow Track Race and Learn Fun! includes 216 flexible tracks that empower kids to engineer their dream raceways while mastering STEM concepts—who knew building could be this much fun?

Quercetti Flip Car Race Track Fun

Our Rank:
Quercetti Flip Car Race Track is a thrilling adventure that invites toddlers to dive into the world of racing while developing crucial skills! With its captivating track design, kids will enjoy watching the cars flip and zoom endlessly, which fosters an amazing understanding of motion and cause-and-effect. This playset encourages important developmental milestones like hand-eye coordination and fine motor skills, all while promoting creativity and independent play. Plus, with two racing cars included, your little ones can enjoy friendly competitions, making it a fantastic way to build social skills, too! 18 months and up
Develops skills:
hand-eye coordination, fine motor skills, problem solving, creative thinking, social skills
Why we love it:
Quercetti Flip Car Race Track features a captivating track design that sparks creativity and friendly competition, turning racing into a delightful learning experience for kids.

Race to Discover with DRIVEN Track Set

Our Rank:
The Driven by Battat 80-Piece Race Track & Auto Shop Playset with Mini Cars offers an exhilarating blend of creativity and learning. Imagine your little ones transforming an auto shop into a racing track, enhancing their fine motor skills and spatial awareness as they build and navigate their creations. With features like a working elevator and multiple racing paths, this set invites imaginative play that encourages problem-solving and teamwork. It's more than just fun—it's a vibrant way to develop essential skills while racing to victory! 3+ years
Develops skills:
fine motor skills, spatial awareness, creativity, teamwork, problem solving
Why we love it:
Race to Discover with DRIVEN Track Set includes a working elevator, making engineering and racing a thrilling adventure that sparks creativity and collaborative play.

Hot Wheels Track Fun: 15 Cars Bundle

Our Rank:
Hot Wheels Toy Cars & Trucks Track Bundle Set of 15 is a fantastic way to inspire imaginative play! With three track-themed packs, kids can dive into the fast-paced world of racing while enhancing their fine motor skills and hand-eye coordination. Each 1:64 scale vehicle features authentic designs and rolling wheels that make both playtime and display an exciting experience. Perfect for sparking storytelling and fostering creativity, this set is an awesome gift for birthdays or holidays, for kids aged three and up and Hot Wheels collectors alike. 3+ years
Develops skills:
fine motor skills, hand-eye coordination, imaginative play, storytelling, creativity, problem solving
Why we love it:
Hot Wheels Track Fun: 15 Cars Bundle includes three track-themed packs that fuel young imaginations, turning living rooms into epic racetracks and story adventures!

PAW Patrol Adventure Play Mat & Racer Fun

Our Rank:
Paw Patrol: The Mighty Movie, Pup Squad Play Mat Gift Pack is an exciting way for kids to dive into imaginative play while developing essential skills. This vibrant playmat featuring Adventure City not only sparks creativity but also encourages storytelling as children embark on rescue missions with their favorite characters, Chase and Vee. With real working wheels, the included racetrack cars enhance fine motor skills as little ones push and launch their vehicles into action. Plus, the clever transformable storage box makes clean-up time a breeze, teaching kids responsibility and organization in a fun way! 3+ years
Develops skills:
imaginative play, storytelling, fine motor skills, problem solving, responsibility, organization
Why we love it:
PAW Patrol Adventure Play Mat & Racer Fun includes a vibrant Adventure City playmat that sparks creativity while turning clean-up time into a fun challenge for little ones.

Lamborghini RC Cars Twin Pack Excitement

Our Rank:
CMJ RC Cars Twin Pack is the ultimate thrill for racing fans, featuring officially licensed models of the stunning Lamborghini Sian and a suave Lambo Police car. Perfect for sparking imagination and encouraging cooperative play, this engaging set helps children develop their hand-eye coordination and fine motor skills as they navigate myriad racing challenges. With user-friendly remotes designed for all skill levels and responsive car handling, parents can feel confident that their little racers are honing their critical thinking and spatial awareness while having a blast on the track! 6-12 years
Develops skills:
hand-eye coordination, fine motor skills, critical thinking, spatial awareness, cooperative play
Why we love it:
Lamborghini RC Cars Twin Pack Excitement features user-friendly remotes that make racing accessible, turning competitive play into an adventure that sharpens both skills and creativity.

Vibrant Mini Racing Cars for Learning Fun

Our Rank:
Assorted Color Die-Cast Vehicles (Pack of 21) are more than just charming little toys; they’re gateways to creativity and learning! With a spectrum of bright, engaging colors, these mini cars stimulate visual recognition and spark imaginative play. Each sturdy vehicle is perfect for developing fine motor skills as kids navigate their own racetracks or imaginative scenarios. These delightful cars not only make for perfect party favors but also serve as an exciting tool for discussions about colors, teamwork, and even basic physics! 3+ years
Develops skills:
fine motor skills, color recognition, imaginative play, teamwork, basic physics
Why we love it:
Vibrant Mini Racing Cars for Learning Fun includes 21 assorted color die-cast vehicles, turning every race into a riveting lesson in creativity and collaboration!

Rev Up Learning with Cars Playset

Our Rank:
Bundle of Mattel Disney Pixar Cars Transforming Mack, 2-in-1 Toy Truck & Tune-Up Station with Launcher & More sparks creativity and imagination during playtime. This multi-faceted playset not only immerses kids in the thrilling world of racing but also encourages problem-solving and fine motor skills as they wash and tune-up their favorite characters. With ten die-cast mini racers, kids can engage in storytelling and role-play, enhancing their social skills and emotional development. It’s a fun way to learn through hands-on play while nurturing a love for teamwork and collaboration among friends! 3+ years
Develops skills:
imagination, problem solving, fine motor skills, storytelling, teamwork, emotional development
Why we love it:
Rev Up Learning with Cars Playset includes ten die-cast mini racers that spark creativity while teaching kids the art of teamwork through thrilling racing adventures.

Rev Up Learning with Cars Playset!

Our Rank:
Mattel Disney and Pixar Cars Playset with 3 Toy Vehicles & 2 Ways to Play is an exciting way to bring imaginative play into our children's lives! As parents and educators, we love how it sparks creativity while developing fine motor skills as kids launch Lightning McQueen through thrilling escapades. The two play modes—Frank Escape and Stunt Race—offer not just endless fun but also chances for problem-solving and critical thinking. Plus, learning to navigate challenges through play is a skill that benefits them beyond racing around Radiator Springs! 4-8 years
Develops skills:
fine motor skills, problem solving, critical thinking, creativity, spatial reasoning
Why we love it:
Rev Up Learning with Cars Playset! includes three toy vehicles and two play modes, making every race a thrilling way for kids to enhance their problem-solving skills.

Race to Learn with Crazy Fast Cars!

Our Rank:
Little Tikes Crazy Fast Cars 2-Pack Muscle Movers is the ultimate racing experience that ignites children's imaginations and fosters essential motor skills! Watch as they pull back these eye-catching muscle cars and let them zoom up to an incredible 50 feet. This engaging play set promotes hand-eye coordination, encourages friendly competitions with peers, and inspires storytelling as kids create their own racing adventures. Perfectly sized for little hands, these cars are not just toys—they're tools for learning through play! 3+ years
Develops skills:
hand-eye coordination, motor skills, imagination, storytelling, social skills
Why we love it:
Race to Learn with Crazy Fast Cars! features pull-back cars that zoom an incredible 50 feet, turning playtime into a thrilling adventure that sparks creativity and competition.

Unleash Epic Races with Crazy Fast Cars

Our Rank:
Little Tikes Crazy Fast Cars 2-Pack Hyper Highway is the perfect way to spark your child's imagination and promote active play! These vibrant, pullback vehicles not only zoom up to an impressive 50 feet but also encourage hand-eye coordination and fine motor skills as kids learn to pull back and release. With two exclusive hyper cars to fuel competitive racing and teamwork, children can engage in friendly competitions, testing their skills and physics principles in motion! This fun, engaging experience fosters social skills and imaginative play, making it a fantastic addition to your educational toolkit. 3+ years
Develops skills:
hand-eye coordination, fine motor skills, teamwork, competitive spirit, physics principles
Why we love it:
Unleash Epic Races with Crazy Fast Cars features pullback vehicles that zoom up to 50 feet, turning any space into an exhilarating racing track for creative play and learning.

Race into Learning with RacerVerse Cars!

Our Rank:
Hot Wheels RacerVerse brings the thrill of racing and storytelling right into our living rooms! As parents, we know how important it is for our kids to engage in imaginative play while developing their fine motor skills and spatial awareness. These 1:64 scale die-cast vehicles are not only collectible, but they also inspire creativity as children create epic racing adventures featuring beloved pop culture characters. Let's watch our little ones race, learn, and explore the world of vehicles and storytelling together with this fabulous set! 3+ years
Develops skills:
imaginative play, fine motor skills, spatial awareness, storytelling, creativity
Why we love it:
Race into Learning with RacerVerse Cars! features collectible 1:64 scale die-cast vehicles that spark creativity and take storytelling to thrilling new speeds right in our living rooms.

High-Speed Fun with Carrera GO Slot Cars

Our Rank:
Carrera GO Battery Operated 1:43 Scale Slot Car Racing Toy Track Set is an exhilarating way to engage kids in both play and learning! As they zoom their cars around the 14.10-ft track—complete with a thrilling jump ramp—they develop crucial skills like hand-eye coordination, spatial awareness, and teamwork. Racing head-to-head not only sparks healthy competition but also encourages kids to strategize and improve their racing techniques. This set is perfect for family bonding and offers endless possibilities for customizing and expanding the track, making it a fantastic choice for young racetrack engineers and speed enthusiasts alike. 5 years and up
Develops skills:
hand-eye coordination, spatial awareness, teamwork, strategy, critical thinking
Why we love it:
High-Speed Fun with Carrera GO Slot Cars features a thrilling jump ramp that transforms family game night into a turbocharged lesson in teamwork and racing strategy!

Exciting Racing Skills with Joysway Slot Cars

Our Rank:
Joysway Superior 552 USB Power Slot Car Racing Set is an innovative twist on traditional slot car racing that engages kids in hands-on learning while they play. With its digital proportional speed controller, children can develop critical thinking and fine motor skills as they learn to control the speed of their cars and anticipate every twist and turn of the track. The mega track offers a more extensive racing experience, promoting strategic planning and friendly competition. Plus, the practice and race modes make it perfect for honing skills while having a blast with friends or family! 8+ years
Develops skills:
critical thinking, fine motor skills, strategic planning, hand-eye coordination, problem solving
Why we love it:
Exciting Racing Skills with Joysway Slot Cars features a digital proportional speed controller, making racing a thrilling way for kids to develop critical thinking while having a blast.

Glow-in-the-Dark Magic Tracks Racetrack

Our Rank:
The Ontel Magic Tracks 10 Foot Glow In The Dark Racetrack invites our kids to indulge in a world of creativity and speed while fostering key developmental skills. As parents, we appreciate how this educational playset encourages imaginative play, spatial awareness, and fine motor skills as children assemble their unique speedways. With bendable tracks and a dazzling light-up race car, kids not only engage in endless fun but also explore concepts of engineering and physics in a playful, hands-on way. Plus, who wouldn’t love watching their hard work come to life in glowing tracks at the end of the day? 3+ years
Develops skills:
imaginative play, spatial awareness, fine motor skills, engineering concepts, physics exploration
Why we love it:
Glow-in-the-Dark Magic Tracks Racetrack features bendable tracks that inspire kids to create their own raceways while glowing brightly, making learning about speed and design a magical experience.

Race to Learn with Hot Wheels Track Set

Our Rank:
Hot Wheels Toy Car Track Set is the ultimate introduction to the thrilling world of Formula 1 racing! As fellow parents, we know that engaging kids in play can enhance their problem-solving skills and boost their hand-eye coordination. This dynamic track set allows children to explore physics concepts such as speed, momentum, and gravity while having an absolute blast racing their die-cast cars. Watching them become miniature engineers as they navigate the challenges of elevated turns and lap counters will make you as proud as the winning driver on the podium! 5+ years
Develops skills:
hand-eye coordination, problem solving, physics concepts, spatial awareness, critical thinking, fine motor skills
Why we love it:
Race to Learn with Hot Wheels Track Set features an engaging loop-de-loop design that sparks kids' interest in physics while they race their favorite die-cast cars.