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  1. Ballista

    $24.95

    Build a ballista and experiment with aiming and launching!
  2. Color-Mixing LED Crystal

    $24.95 $20.95

    Make a color-mixing LED crystal and explore the physics of color!
  3. Electronics (4-Pack)

    $142.95 $159.80 value

    Shop for advanced electronics favorites and save when purchased as a pack. Qualifies for free shipping!
  4. Speedy Race Cars

    $15.95

    Create a custom speedy race car and use black washi tape to create a speedway on any surface.
  5. Arcade

    $24.95

    Hit the arcade and build the claw and create a couple of cute pom pom prizes! Set up your own claw game and see if you can win the prizes. Learn about other arcade and then build your own version!
  6. Arcade Catapult

    $24.95

    Build an arcade catapult and challenge a friend to a game!
  7. Spin Art Machine

    $24.95

    Make a spin art machine and experiment with centrifugal forces!
  8. Handmade Soap

    $24.95

    Scrub-a-dub-dub with a set of marbled soaps you made yourself!
  9. Headphones

    $34.95

    Build the headphone headband, rig up the speaker drivers, and experiment with stereo sound. Explore how speakers and other electroacoustic transducers turn electricity into sound, then learn about the historical technologies that made modern headsets possible.
  10. Light-Chasing Robot

    $39.95

    Wire up the motors, add the switch, and assemble your robot — all while exploring the science behind circuits and sensors. Customize your robot with one of two skins (a turtle or a beetle), then use the included flashlight to make it get a move on.

   

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Best-Selling Science Kits & STEM Toys

Rich scientific learning needs to have a few of these key elements: curious minds, hands-on projects, quality materials, and fun results. Popular science kits and STEM toys contain all you need to share exciting discoveries with the ones you love most.

With a healthy dose of enthusiasm and the right project, your little scientist will have an unforgettable experience! KiwiCo offers popular science kits that give curious adventurers the ability to tinker, test, and try out their theories! Science can be fun, and that's a theory that can be proven with just the right experiment!