K39Nex Kid's Building Set for Ages 3
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A fun building set for young children aged 3.
Our Top 5 Picks
K'NEX 100 Model Building Set
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The K'NEX 100 Model Building Set is a fantastic way to ignite your child's creativity and problem-solving skills! With 863 classic rods and connectors, kids ages 7 and up can bring their wildest engineering dreams to life while exploring STEM concepts. This building set encourages hands-on learning as children construct everything from rolling cars to working amusement park rides with real moving parts. 7+ years
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K'NEX 100 Model Building Set contains 863 classic rods and connectors, turning ambitious ideas into reality while making STEM concepts accessible and fun for kids.
KID K'NEX Creative Builders Set
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The KID K'NEX Budding Builders Set is a fantastic way for preschoolers aged 3 and up to dive into the world of construction and creativity! With 100 vibrant, large pieces, kids can explore their imagination while developing essential skills such as spatial awareness, problem-solving, and fine motor coordination. This set offers 50 building ideas tailored for various skill levels, making it a perfect tool for fostering early STEM education in a playful and engaging manner. 3+ years
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KID K'NEX Creative Builders Set includes 100 vibrant, large pieces that let young builders construct their own creative worlds, fostering imaginative play and essential STEM skills.
K'NEX 3-in-1 Amusement Park Adventure
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The K'NEX 3-in-1 Classic Amusement Park Building Set is an exciting way for kids aged 9 and up to dive into the world of engineering and creativity! With 744 pieces, children can build a spectacular Ferris wheel, a thrilling Swing Ride, or a dynamic Boom Ride—all powered by a battery-operated motor that brings these rides to life! This set not only fuels imagination but also fosters essential skills like problem-solving, spatial awareness, and teamwork as kids collaborate and design their own amusement park. 9+ years
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K'NEX 3-in-1 Amusement Park Adventure includes 744 pieces that spark engineering fun while transforming learning into a hands-on thrill ride of imagination and collaboration.
Kid K’NEX Group Building Set Fun
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The K’NEX Education Kid K’NEX Group Building Set is a vibrant collection of 131 chunky pieces designed for preschoolers aged 3 and up. This playful set not only engages our little builders but also nurtures essential skills like teamwork, creative thinking, and spatial awareness. As kids snap and bend these colorful pieces, they can construct an array of imaginative creatures, fostering both collaboration and individual creativity. 3+ years
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Kid K’NEX Group Building Set Fun features 131 chunky pieces that transform playtime into a colorful adventure in collaboration and creativity, making neat little engineers out of our preschoolers.
K'NEX Adventure Wheels: Build and Play
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The K'NEX Adventure Wheels Building Set is the ultimate creative construction playground for kids aged 7 and up! With 480 classic K'NEX parts, children can enhance their problem-solving skills and unleash their imagination by designing everything from trucks and airplanes to amusement park rides. The real moving parts bring these creations to life, fostering an understanding of mechanics and engineering concepts. 7+ years
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K'NEX Adventure Wheels: Build and Play includes 480 classic parts that spark creativity and teach essential engineering concepts, making every build an exciting journey into the world of STEM!
K'NEX Power & Play Motorized Set
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The K'NEX Power & Play Motorized Set is designed for young engineers aged 7 and up. Packed with 529 assorted pieces, this set not only sparks creativity but also enhances critical thinking skills as children build their own motorized creations. Watching their ideas come to life with the included battery-powered motor provides an exhilarating hands-on learning experience. 7+ years
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K'NEX Power & Play Motorized Set comes with 529 assorted pieces, allowing young engineers to design motorized creations while fueling their imagination and critical thinking on the go.
KID K'NEX Build A Bunch Adventure
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The KID K'NEX Build A Bunch Set is a delightful way to ignite your child's imagination while strengthening their STEM skills! With 66 colorful and chunky pieces, kids can stack, snap, and explore the world of building by creating everything from airplanes to underwater creatures. This set not only fosters creativity but also enhances fine motor skills and spatial awareness as children learn how to assemble their unique creations. 3+ years
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KID K'NEX Build A Bunch Adventure includes 66 colorful pieces that inspire creative building, transforming playtime into a fun engineering class!
Dino Dudes Set for Little Builders
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The KID K'NEX - Dino Dudes Set opens up a world of imaginative dinosaur adventures for preschoolers! With 100 colorful parts, kids can craft 30 adorable Dino Buddies that inspire creativity and enhance fine motor skills. Watching our little ones assemble these delightful creatures not only builds their hand-eye coordination but also provides a unique opportunity for collaborative play. 3+ years
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Dino Dudes Set for Little Builders includes 100 colorful parts, turning every assembly into a roarsome adventure that builds skills while sparking creativity among little builders!
K'NEX Creative Model Building Set
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The K'NEX 40 Model Building Set is an exciting adventure into the world of engineering for kids aged 5 and up! Packed with 141 pieces that click together seamlessly, this set encourages budding builders to express their creativity while developing critical STEM skills. With the ability to construct up to 40 unique models—including cars, airplanes, and skyscrapers—children are not just playing; they are learning about design, problem-solving, and spatial awareness, making this an invaluable addition to any playroom. 5+ years
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K'NEX Creative Model Building Set comes with 141 pieces that let kids build up to 40 unique models, making engineering feel like a thrilling adventure in their own hands.
Creative K'NEX Building Adventures
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The K'NEX Click & Construct Value Building Set is perfect for fueling the imagination of kids aged 7 and up! Packed with 522 versatile pieces, this set transforms abstract ideas into tangible structures through hands-on play. With intuitive snap-fit components and an instruction booklet featuring 35 unique models, we can't help but watch our young builders develop problem-solving skills, enhance spatial awareness, and engage in STEM learning—all while having the time of their lives! 7+ years
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Creative K'NEX Building Adventures includes 522 versatile pieces that let kids transform their wildest ideas into real structures, making engineering feel like pure playtime magic!
K'NEX Creative Building Adventures
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The K'NEX 70 Model Building Set is a fantastic resource for kids aged 7 and up to explore their creativity while engaging in STEM learning. This set not only enhances critical thinking and problem-solving skills but also inspires collaboration as children build interactive models with real moving parts. Parents and educators will appreciate how it encourages hands-on learning and imaginative play, turning abstract concepts into tangible fun! 7+ years
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K'NEX Creative Building Adventures features 70 model building pieces that transform abstract STEM concepts into hands-on masterpieces, making learning a delightful construction zone for curious minds.
K'NEX Kid Safari Mates Fun
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The K'NEX Kid Safari Mates Building Set is a delightful journey into creativity, designed for little explorers aged 3 and up. With 21 larger, softer pieces that fit perfectly in tiny hands, this set encourages children's fine motor skills and spatial awareness as they create their very own safari friends. From a whipping tail to a fluffy foam mane, the imaginative builds come to life, fostering creativity and problem-solving while keeping playtime engaging and fun. 3+ years
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K'NEX Kid Safari Mates Fun includes 21 larger, softer pieces that fit perfectly in tiny hands, making imaginative play both engaging and easy for little builders to explore their creativity.
KID K’NEX Oodles of Pals Fun
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The KID K’NEX Oodles of Pals Building Set is a vibrant and engaging tool for young builders aged 3 and up. With 116 brightly colored pieces, this set not only sparks imagination but also helps develop critical fine motor skills and spatial awareness as children create unique structures. Featuring special parts like big feet and spinning wheels, it encourages creative thinking and problem-solving in a delightful, hands-on way. 3+ years
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KID K’NEX Oodles of Pals Fun includes 116 brightly colored pieces that turn building into a vibrant adventure, igniting creativity while mastering essential skills along the way.
K'nex 60 Model Building Adventure
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The K'nex Intermediate 60 Model Building Set is an exciting way for kids aged 7 and up to dive into the world of creative construction! With 395 colorful parts, including unique K'NEX rods and connectors, this building set promotes fine motor skills, manual dexterity, and spatial awareness. Imagine the joy on their faces as they build everything from an awe-inspiring Hammerhead shark to a majestic battleship or even a cool Saxophone! 7+ years
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K'nex 60 Model Building Adventure includes 395 colorful parts that let kids unleash their imagination while engineering everything from a Hammerhead shark to a battleship.
Montessori Busy Box Adventure
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The Montessori Based Busy Box for 3-5 Year Olds is a treasure trove of fun and learning! This 7-in-1 activity kit not only captivates young minds but also fosters essential skills such as vocabulary development, fine motor proficiency, and scissor skills. We love how it encourages our little ones to explore science and creativity in a delightful, screen-free environment. 3-6 years
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Montessori Busy Box Adventure is a captivating 7-in-1 activity kit that transforms learning into an exciting treasure hunt, making education feel like a delightful adventure without screens.
KID K’NEX Zoo Friends Building Adventure
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The KID K’NEX Zoo Friends Building Set is a delightful 55-piece collection designed for little builders aged 3 and up! With 30 vibrant building ideas, this engaging toy encourages kids to unleash their creativity and imagination while constructing their own magical zoo scene. As a parent, we appreciate how building with K'NEX promotes essential skills like fine motor development, hand-eye coordination, and dexterity, making playtime fun and educational. 3+ years
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KID K’NEX Zoo Friends Building Adventure offers 55 colorful pieces for endless imaginative play, turning construction time into valuable learning moments for little architects.
Gears! Gears! Gears! Deluxe Building Fun
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The Learning Resources Gears! Gears! Gears! 3+ years
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Gears! Gears! Gears! Deluxe Building Fun includes 100 colorful pieces that inspire little builders to unleash their creativity while honing essential STEM skills without any screens in sight.
K'NEXosaurus Rex Motorized Dinosaur Set
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The K'NEXosaurus Rex Motorized Dinosaur Set is a thrilling adventure for young builders aged 7 and up! With 255 high-quality pieces, this engaging set not only entertains but also educates, fostering essential STEM skills in engineering and architecture. As kids assemble their dinosaur creations and watch them come to life with motorized movement, they develop critical thinking, problem-solving abilities, and unleash their creativity. 7+ years
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K'NEXosaurus Rex Motorized Dinosaur Set includes 255 high-quality pieces that bring dino creations to life, making STEM learning feel like an epic prehistoric adventure.
Excellerations Tower Building Adventure
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The Excellerations Tower Building Set is an exciting way for our little explorers to dive into early STEM learning! With 50 chunky pieces that are perfect for tiny hands, children can build, create, and develop vital skills like fine motor coordination and spatial awareness. This vibrant, engaging set not only entertains but also encourages cooperative play, making it a delightful addition to any playtime. 3+ years
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Excellerations Tower Building Adventure includes 50 chunky pieces that invite imaginative construction, making learning feel like a creative party for little builders on the go.
Gears! Gears! Gears! Building Adventure
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The Learning Resources Gears! Gears! Gears! 3+ years
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Gears! Gears! Gears! Building Adventure comes with 100 colorful pieces that transform engineering into a delightful hands-on experience, making learning feel like a fun challenge.
K'NEX Simple Machines Gear Adventure
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The K'NEX Education - Intro to Simple Machines: Gears Set is a fantastic tool that brings engineering concepts to life for our kids in grades 3-5! With 198 colorful pieces, this set allows our children to build 7 functioning gear models of real-world machines, sparking their imagination and curiosity. Not only does it provide hours of engaging play, but it also teaches crucial STEM principles like mechanical advantage and gear ratios through hands-on, inquiry-based exploration. Grades 3-5
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K'NEX Simple Machines Gear Adventure includes 198 colorful pieces that transform abstract engineering principles into hands-on fun, making learning about gears an exciting adventure for young minds.
Creative Dual-Play Activity Table
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The KidKraft 2-in-1 Reversible Top Activity Table is an exciting addition to any playroom, designed for curious minds aged 3 and up. This versatile table sparks creativity through its dual play surfaces, allowing kids to build their dream worlds with 200 colorful building bricks or set their imaginations in motion with a 30-piece wooden train set. Not only does it promote fine motor skills and spatial awareness, but it also encourages collaborative play, enhancing social skills as little ones engage in shared activities. 3+ years
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Creative Dual-Play Activity Table features dual play surfaces with 200 colorful building bricks and a train set, turning playtime into a crafting community for little builders and dreamers.
Colorful STEAM Building Adventure
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The TINKERTOY 30 Model 200 Piece Super Building Set is an exciting gateway into the world of engineering for children 3 and up. This vibrant collection of parts not only sparks creativity but also strengthens problem-solving skills and analytical thinking as kids explore the principles of design and construction. With 30 unique models to create, playtime transforms into a rich learning experience that bridges fun and education seamlessly. 3+ years
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Colorful STEAM Building Adventure includes 200 vibrant pieces that ignite creativity while sneaking in vital problem-solving skills—perfect for little builders ready to construct their dreams!
K'NEX Kid Farmin' Friends Set
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The K'NEX Kid Farmin' Friends Set invites your little builders to embark on an imaginative adventure! With 65 colorful, easy-to-grip pieces, this STEM-focused building set not only sparks creativity but also helps develop fine motor skills and early engineering principles. Kids can follow templates to construct delightful farming friends like chickens and barns—or let their imaginations run wild and create their own unique farm scenes. 3+ years
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K'NEX Kid Farmin' Friends Set features 65 colorful pieces that inspire little ones to design their own farms, turning imaginative play into a hands-on engineering adventure.
K'NEX STEM Vehicle Builder Set
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The K'NEX Education - STEM Explorations: Vehicles Building Set is the ultimate playground for curious minds aged 8 and up. With over 130 parts, kids can team up to create seven exciting vehicle models powered by different energy sources, exploring the principles of physics in a hands-on and engaging way. This set is not just about building; it's an educational adventure into potential and kinetic energy, velocity, and motion, all while aligning with national STEM standards. 8+ years
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K'NEX STEM Vehicle Builder Set includes over 130 parts, allowing kids to build seven different vehicle models while exploring energy concepts and exercising their engineering imaginations.
Colorful Construction Fun for Kids
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Bigjigs Toys Jar of Wooden Nuts and Bolts is the perfect introduction to the world of building and construction for our little ones! These vibrantly colored play pieces are not only designed for tiny hands but also spark creativity and imaginative play. As our children fit together the nuts and bolts, they're practicing fine motor skills, hand-eye coordination, and problem-solving, all while having a blast! 3+ years
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Colorful Construction Fun for Kids features 20 vibrantly colored wooden nuts and bolts, sparking endless imaginative play while helping develop essential skills for future builders.
Mega Motorcycle Building Adventure
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The K'NEX Mega Motorcycle Building Set is an exhilarating way for kids aged 9 and up to dive into the world of engineering and design! With an impressive 456 pieces, this building set not only sparks creativity but also enhances fine motor skills, spatial awareness, and manual dexterity. By constructing an authentic sport bike with real working suspension, young builders will engage in hands-on STEM learning that supports their critical thinking and problem-solving abilities. 9+ years
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Mega Motorcycle Building Adventure includes 456 pieces that turn engineering and design into a thrilling, hands-on experience, sparking creativity while sneaking in some serious STEM learning.
Creative Log Cabin Building Set
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The SainSmart Jr. 450 PCS Wooden Log Cabin Set is an enchanting opportunity for children aged 3 and up to explore their creativity and engineering skills. Crafted from high-quality birch wood and adorned in cheerful colors, this classic STEM construction kit invites little builders to construct their very own cozy cabins. 3+ years
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Creative Log Cabin Building Set, with 450 pieces of colorful birch wood, transforms building into a bonding experience that sparks imagination and engineering curiosity in little ones.
Wooden Space Blocks Puzzle Adventure
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The Fisher-Price Wood Preschool Toy Space Blocks Jigsaw Puzzle is a delightful way to introduce preschoolers to the wonders of outer space while enhancing their learning journey. With 42 beautifully crafted wooden pieces, this engaging puzzle not only promotes important fine motor skills but also encourages imaginative play and problem-solving. Perfectly designed in a Montessori style, this toy invites kids to explore sorting and stacking, making each play session both fun and educational. 3+ years
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Wooden Space Blocks Puzzle Adventure features 42 beautifully crafted pieces that invite kids to explore outer space while enhancing their problem-solving skills and creativity.
Creative City Engineering Building Set
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The Learning Resources City Engineering and Design Building Set is a fantastic way to foster an early love of STEM in children aged 5 and up! With 100 pieces, kids can unleash their creativity as they build skyscrapers, cranes, and bridges, all while honing critical thinking and problem-solving skills. Following the design process of Ask, Imagine, Plan, Create, and Improve, this set challenges young minds to think like true engineers. 5+ years
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Creative City Engineering Building Set features 100 pieces that let kids design everything from skyscrapers to bridges, turning them into little architects while having a blast!