Best Mechanical Kits for Kids

Thames & Kosmos Kids First Robot Factory is an engaging STEM experiment kit designed for young engineers aged 5 and up. As your child builds eight motorized robots with the help of a beautifully-illustrated storybook, they will enhance their fine motor skills and creativity while exploring basic mechanical engineering concepts. This hands-on experience encourages problem-solving and critical thinking, making it an excellent choice for parents and educators looking to inspire the next generation of innovators. 5+ years

The Thames & Kosmos Kids First Intro to Engineering Kit sparks curiosity and creativity in young engineers through 25 hands-on experiments. Children will delve into the world of engineering while building exciting projects like helicopters and balloon rockets, enhancing their problem-solving skills and understanding of scientific principles. This kit is an excellent choice for parents and educators looking to foster a love for STEM in imaginative and interactive ways. 5-10 years

The Kids First Engineering Design Kit invites young explorers to dive into the exciting world of mechanical physics! With 22 action-packed science experiments, your budding engineer will construct amazing models like a pulley system and a crane, demonstrating core principles of force and motion. As they play and create, they're also building critical thinking skills and sparking curiosity about the universe around them. 5-10 years

The Thames & Kosmos Kids First: Intro to Tools & Building STEM Experiment Kit is a fantastic way to engage young minds with mechanical engineering principles. Designed for curious preschoolers, this kit not only teaches the basics of using tools like hammers and screwdrivers but also fosters fine motor skills, visual-spatial understanding, and creative reasoning as they construct their own models. Parents and educators will appreciate the durability of the parts and the beautifully illustrated manual, making learning both safe and enjoyable. 3+ years

The SainSmart Jr. 4-in-1 STEM Kits inspire young builders through hands-on creativity and learning. This delightful set allows kids to craft their own wooden robots while developing essential skills like problem-solving, logical thinking, and fine motor coordination. 6+ years

Estes 1753 AVG Bulk Variety Pack of Rocket-Building Kits provides an exhilarating hands-on experience for kids aged 10 and up. We love how these model kits not only ignite a passion for science and engineering but also encourage critical thinking and problem-solving as they navigate the exciting world of rocketry. As children build and launch their Viking, Alpha, and EX2 rockets, they learn valuable lessons in physics, design, and teamwork while enjoying the thrill of watching their creations soar. 10+ years

The Thames & Kosmos Kids First Automobile Engineer Kit is an exceptional way to ignite your child's passion for engineering and storytelling! With a 32-page full-color illustrated storybook, young learners will follow the hilarious adventures of Karlie and Ty Omega as they explore the world of vehicles. As they assemble 10 different models using large, colorful plastic pieces, kids will develop fine motor skills, problem-solving abilities, and creative thinking—all while having a blast. 3+ years

The Teach Tech Hydrobot Arm Kit opens the door to the fascinating world of mechanical engineering for kids aged 12 and up! With no batteries required, this innovative kit uses the power of hydraulics to create a fully functional robotic arm that moves, rotates, and grabs. As parents and educators, we know that this hands-on experience cultivates essential skills such as problem-solving, analytical thinking, and curiosity. 12+ years

The Thames & Kosmos Simple Machines Science Experiment & Model Building Kit is a fantastic way for kids aged 8 and up to dive into the world of mechanical physics. Through building 26 engaging models, children will enhance their problem-solving skills, understand fundamental engineering principles, and explore how simple machines make everyday tasks easier. Parents and educators will appreciate the hands-on learning approach that encourages curiosity and critical thinking, setting the foundation for future science and engineering pursuits. 8+ years

The Thames & Kosmos Robotics Smart Machines: Tracks & Treads kit provides an exciting gateway into the fascinating world of robotics for children 8 and up. With 197 building pieces and a vibrant, user-friendly visual programming app, kids can build and code their own robots, developing critical STEM skills like problem-solving and logical thinking in a fun and interactive way. The included 60-page illustrated manual not only guides them through assembly but also enriches their knowledge about robotics, making it a standout choice for parents looking to inspire creativity and tech-savviness in their children. 8+ years

The Thames & Kosmos Mechanical Engineering: Machines & Vehicles STEM Experiment Kit sparks curiosity and innovation in kids aged 8 and up! By building 20 exciting mechanical models like a crane and an all-wheel drive ATV, children delve into the fascinating world of physics, exploring concepts like force, motion, and energy. This hands-on learning experience not only cultivates critical thinking and problem-solving skills but also connects real-world applications of engineering, making it an essential educational tool for budding young scientists and builders. 8+ years

The Thames & Kosmos Kids First: Intro to Gears STEM Experiment Kit is a fantastic way for little ones aged 3 and up to dive into the exciting world of mechanical engineering! With this kit, young learners can build four different geared machines while exploring fundamental concepts like gears, power, and motion. Designed with oversized, durable pieces, this kit not only enhances fine motor skills and visual-spatial reasoning but also sparks curiosity and problem-solving as kids experiment with various configurations, guided by a beautifully illustrated manual. 3+ years

Rocket Kids Science Kits take your little ones on an exhilarating journey through the cosmos! With 18 engaging STEM experiments, this kit fosters curiosity and inspires budding scientists to explore the wonders of rocketry and the solar system. As educators and parents, we appreciate how interactive activities like building an anemometer or making a homemade barometer teach essential scientific concepts while developing critical thinking and problem-solving skills. 8-12 years

The Tinkering Labs Robotics Engineering Kit is an exciting opportunity for kids aged 8 to 12 to dive into the world of robotics and electronics! With over 50 parts and 10 hands-on STEM projects, children can unleash their inner inventors while developing vital skills like problem-solving and critical thinking. As educators and parents, we know how important it is to inspire a love of learning—this kit does just that by blending creativity with scientific exploration, making every project an engaging adventure. 8-12 years

Thames & Kosmos TrainBots: 2-in-1 STEAM Maker Kit opens up a world of creativity and learning for our young engineers! With the ability to build two steampunk-themed robots that puff out safe, cool steam, kids ages 8 and up will be mesmerized by the dazzling effects and thrilling mechanics. Not only does this kit nurture engineering skills, but it also delves into concepts like sound waves and phases of matter—all accompanied by a captivating comic-book-style manual that sparks additional interest. 8+ years with help, 12+ for independent play

The 4M Water Rocket Kit invites kids aged 8 and up to dive into the exhilarating world of rocket science! This engaging DIY toy not only sparks creativity but also empowers children to learn about mechanics and the principles of aerodynamics as they construct their own rocket. Blasting over 30 feet into the air, this kit inspires curiosity while honing problem-solving skills and encouraging them to experiment. 8+ years

The Qaba Truck Engine Toy is an interactive mechanic set that invites children aged 3 and up to explore the exciting world of cars. With 61 pieces, including realistic sounds and lights, it stimulates hands-on learning about car parts and functions, nurturing problem-solving skills and creativity as kids engage in pretend play. Parents will appreciate how this toy not only entertains but also develops important cognitive and motor skills through imaginative exploration. 3+ years

The Discovery #MINDBLOWN Model Engine Building Kit is an extraordinary hands-on experience for kids and adults alike! By constructing this miniature four-cylinder combustion engine, they’ll delve deep into the captivating world of mechanical engineering, enhancing their problem-solving skills and spatial awareness. As they tinker with the pistons, cables, and valves, they gain a practical understanding of how engines work—fueling curiosity and a love for STEM that lasts a lifetime. 8+ years

Rebotz: Knox - The Wacky Walking Robot is an incredible engineering science kit that sparks creativity and curiosity in children aged 6 and up. This engaging set allows kids to explore how different mechanisms—like cams, springs, and motors—work together to make robots move in fun and silly ways. By experimenting and mixing parts, children not only develop critical thinking and problem-solving skills but also embrace the joy of hands-on learning. 6+ years

The Thames & Kosmos Big Engineering Makerspace invites kids to dive into the fascinating world of physics and engineering with 22 exciting lessons and experiments. This comprehensive STEM kit empowers children to build real-world machines like a hydraulic lift and robotic arm while fostering critical thinking, problem-solving, and creativity. Perfect for homeschooling or learning pods, this kit not only engages young minds but also nurtures a love for science and discovery without the need for batteries! 8+ years

The Klutz Lego Gear Bots Science/STEM Activity Kit opens the door to a world of creativity and engineering for kids ages 8-12. With this hands-on kit, your children will construct 8 brilliant kinetic creatures using LEGO Technic bricks and papercraft, all while diving into the science of physics and mechanics. The 64-page instructional book is packed with engaging explanations about axles, cams, cranks, and the engineering principles behind everyday machines, making learning a fun experience. 8-12 years

The Thames & Kosmos Robotics Smart Machines kit provides an exciting introduction to the world of robotics for children aged 8 and up. With the ability to build and program eight unique motorized machines, this STEM kit enhances critical thinking, problem-solving, and creativity while engaging your child in hands-on learning and real-world applications of technology. Parents and educators will appreciate its award-winning design and the way it seamlessly merges fun with educational outcomes, sparking curiosity and a passion for science. 8+ years

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

The MECCANO 25-in-1 Motorized Supercar STEM Model Building Kit invites kids ages 10 and up to dive into the dynamic world of engineering and creativity. As they assemble their sleek supercars and other models, children will enhance their problem-solving skills and fine motor abilities, all while understanding essential STEM principles. With real tools and motorized features, this kit not only sparks imagination but also cultivates a hands-on learning experience that sets the stage for future innovators. 10+ years

The Thames & Kosmos Kids First Robot Engineer STEM Experiment Kit is an exciting entry point into robotics for young learners. Engaging children through playful storytelling and hands-on building, this kit helps develop critical thinking and problem-solving skills as they construct 10 unique robots. With its focus on simple machines, our kiddos can enjoy a fun, interactive way to learn about gears and movement, all while unleashing their creativity! Preschool

K'NEX Education - STEM Explorations: Levers & Pulleys Building Kit opens a world of engineering fun for kids aged 8 and up! This engaging set lets children build exciting models like a balance, a wheelbarrow, and even a sailboat, allowing them to explore the fascinating principles of physics. As a parent or educator, we love how it encourages teamwork and critical thinking while aligning with National STEM standards. 8+ years

The Thames & Kosmos Bionic Robotic Arm STEM Experiment Kit allows kids to build their very own mechanical arm from nearly 300 pieces, fostering creativity and engineering skills in a hands-on way. With no batteries or motors required, this innovative kit encourages problem-solving and experimentation as they learn about robotic technology, biomimicry, and mechanics—all by using intuitive joystick controls. It’s an engaging journey into the world of STEM for young builders, making it a top choice for both parents and educators looking to inspire the next generation of engineers! 10+ years with help, 14+ independent play

The National Geographic Circuit Maker Kit is an exciting way to spark curiosity about electricity in kids! With over 120 hands-on projects, children can explore the wonders of electrical circuits while developing critical thinking, problem-solving, and creativity. This kit not only provides hours of fun but also empowers young minds to experiment with sound, light, and motion—perfectly blending education with play. 8+ years

The Thames & Kosmos Mega Cyborg Hydro Blaster STEM Experiment Kit invites children to explore physics in a fun and exciting way. Designed for creative minds, this kit fosters engineering skills and critical thinking as kids build a hydraulic-powered water blaster and transform it into five innovative configurations, all while engaging in epic outdoor water battles. Perfect for parents and educators seeking hands-on learning experiences, this toy not only promotes teamwork and problem-solving but also introduces fundamental concepts of hydraulics in an engaging manner. 8+ years

The Teach Tech SolarBot. 14 Transforming Solar Robot Kit is a fantastic introduction to robotics and solar energy for kids aged 10 and up! This engaging kit not only sparks creativity but also teaches essential mechanical engineering principles in a way that’s fun and accessible. 10+ years