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  1. Kiwi Crate Ultimate (8-Pack)

    $164.95 $199.60 value

    Shop for Kiwi favorites and save when purchased as a pack. Qualifies for free shipping!
  2. Tinker Crate Ultimate (8-Pack)

    $164.95 $199.60 value

    Shop for Tinker favorites and save when purchased as a pack. Qualifies for free shipping!
  3. Crystal Chemistry Garden

    $24.95

    Craft a colorful chemis-tree and garden using felt shapes and liquid watercolors. Then concoct a chemical solution that'll make your garden grow fun and funky crystals over two days, and learn the science behind them!
  4. Animal Bath Bombs

    $17.95

    Learn about acid-base reactions and the science of molecules while mixing up a colorful chemical concoction, then press the mixture into bath-bomb shape. Drop your finished bath bombs into water to see fizzy chemical reactions — in action!
  5. Handmade Soap

    $24.95

    Scrub-a-dub-dub with a set of marbled soaps you made yourself!
  6. 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.
  7. 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.
  8. Colorful Chemistry

    $29.95

    Learn about the scientific method, then put together a bubbly chemical reaction in your own fab chemistry lab. Try other color mixing experiments, make some colorful art, and learn about everyday chemical reactions.
  9. Trebuchet

    $24.95

    Only 18 left in stock

    Experiment with aim and angles by adjusting the weigh in your trebuchet. Explore the science of levers and how they help machines harness the force of gravity and lift heavy weights. Ready, aim, and fire — with physics!
  10. Little Artist

    $24.95

    Encourage little artists with a color-block painting project, abstract bead sculpture, and a personalized art smock.

   

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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!