At KiwiCo, we design award-winning, hands-on STEM kits for kids ages 3-16+. We deliver them by mail and call them crates. Each crate explores a new concept in science, technology, or engineering in a fresh way that's seriously fun & profoundly enriching. We take big ideas and make them accessible and fun for kids of all ages!Learn more about what sets KiwiCo apart »
Best Science Kits for Ages 14+
KiwiCo offers awesome subscriptions and projects that explore all types of STEAM topics. Every project includes all the materials needed, easy to follow step-by-step instructions and explanations of how everything works.
Put science to work and engineer something new and amazing every month.Learn More »
Ignite a passion for science with these complete chemistry lab kits!Get It »
Three advanced electronics projects designed to teach, engage, and inspire kids and teens!Get It »
Best Science Kits for Ages 9-13+
Explore chaotic motion with a double pendulum and UV light!Get Started with this Crate »
Learn how to build your own hydraulic lifting claw!Get Started with this Crate »
Take a peek inside automaton mechanics! Engineer a hand-cranked, wooden automaton that makes a marble climb stairs.Get Started with this Crate »
Best Science Kits for Ages 5-8
Fun with Flight
Build a rocket launcher and a set of your own flying rockets. Make a kite and run around to watch it fly.Get Started with this Crate »
Use liquid color to see capillary action firsthand!Get Started with this Crate »
Play with angles and momentum while discovering pinball game physics!Get Started with this Crate »
Best Science Kits for Ages 3-4
Music & Rhythm
Make a xylophone and write your own music. Play some jingles on your own koala-shaped tambourine. Decorate your dancing streamer for movement fun.Get Started with this Crate »
Make a dinosaur costume, create clay fossils, play a footprint matching game.Get Started with this Crate »
Make your own playdough, then shape it into balls and roll it out into ropes to practice counting and measuring.Get Started with this Crate »
More Science and Art Kits from KiwiCo
What Sets Our Crates Apart From Typical Science Kits For Kids?
We deliver carefully engineered components along with clear instructions and inspiration.
We ensure that the projects are multi-dimensional with lots of possibilities for kids to tinker and explore.
Every crate is tested rigorously by our experts and lots of kids.
Our projects are enriching, accessible, and fun for kids of all ages.
Each of our crates presents kids with a multi-faceted experience that can last for hours, or even days! Our crates include a magazine with additional science experiments and activities, and lots of rich content to dig deeper into the theme. We also provide online resources and video content for every project, all designed to allow kids to explore further.
Awards and Press
- Parents' Choice Gold Award
- Dr. Toy's 10 Best Creative Products Winner
- Academics' Choice Brain Toy Award Winner
- Oppenheim Toy Portfolio Best Toy Award Gold Seal
- Dr. Toy's Best Picks Winner
- Purdue University - Promotes Engineering Thinking & Design