KiwiCo kits offer kids an opportunity to explore science, technology, engineering and math. Our experts spend 1,000+ hours developing each kit. Our mission is to help kids use STEM as a lens to understand the world.

From robotics to the theory of color to biology, each kit tackles a different topic. Every kit includes all the materials you need, easy-to-follow instructions and explanations to illuminate how everything works.

What sets KiwiCo STEM toys apart? »

Best Toys for Chemistry Lovers (Ages 14+)

Put on your safety goggles! The KiwiCo Chemistry Pack is perfect for the budding scientist. The Chemistry Pack offers three awesome kits: Vortex Lab, Glow Lab and Fire Lab. Each kit explores scientific concepts such as chemical reactions, fluorescence and combustion.

New! Chemistry Pack

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Awesome Electronics for Young Builders (Ages 14+)

The best way to learn about electronics is to build your own. The KiwiCo Electronics Pack comes with three cool kits. Kids can build their own flashlight, laser or speakers. The detailed instructions that come with each kit explain not just how to build the kits, but the scientific concepts as well. As they build, kids will learn about circuits, lasers, capacitors, motors and more.

Electronics Pack

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Kits For Curious Tinkerers (Ages 9+)

The KiwiCo Mechanics Pack helps kids build the fundamentals for creative thinking. The Mechanics Pack comes with five creative kits. Kids can build their own hydraulic lifting claw, mechanical sweeper, water fountain, puzzle box and marionette set. The hydraulic claw is great for learning about hydraulics, which can be found all over, from airplanes to factories to theme parks. The water fountain helps kids learn about siphons. All of the kits help children understand the natural world. This pack is perfect for jumpstarting creative problem solving and independent thinking.

New! Mechanics Pack

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Want a new STEM kit every month? (Ages 0‑16+)

Looking for STEM toys for younger children? Or maybe your kids want a new STEM kit each month. KiwiCo offers STEM kits for kids of all ages. Choose your line to find out more.

What Sets KiwiCo STEM Toys Apart?

  1. We deliver carefully engineered components along with clear instructions and inspiration.

    Carefully engineered components!
  2. We ensure that the projects are multi-dimensional with lots of possibilities for kids to tinker and explore.

    Tinker and explore!
  3. Every crate is tested rigorously by our experts and lots of kids.

    Tested rigorously!
  4. Our projects are enriching, accessible, and fun for kids of all ages.

    Enriching, accessible, and fun!

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