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  1. Glowing Horn Unicorn Costume

    $29.95

    Build a unicorn costume with a majestic mane, a noble snout, and a horn that lights up!
  2. Chomping Mechanical Dinosaur Costume

    $29.95

    Build a big green dinosaur costume with matching dino claws. Rawr!
  3. Tinker Crate Ultimate (8-Pack)

    $149.95 $199.60 value

    Shop for Tinker favorites and save when purchased as a pack. Qualifies for free shipping!
  4. 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!
  5. Friction Climbers

    $24.95

    Engineer 3 wooden animals to explore the mechanics of friction!
  6. Volcano Slime

    $14.95

    Mix together chemical solutions to make your own fizzy, oozy slime that "erupts" like a volcano! A hands-on way to explore kid-friendly chemistry, acids and bases, and the science of polymers.
  7. Atlas Crate Classics (5-Pack)

    $99.95 $124.75 value

    Shop for Atlas favorites and travel the globe with this 5-pack!
  8. Robot Sewable Circuit

    $14.95

    Explore wearable technology, conductivity, and the science of sewable circuits! Sew up a soft, flexible circuit using conductive thread, add LEDs, then craft a robot keychain whose eyes light up when you touch its hand to its belly. Ready to glow?
  9. Arcade Catapult

    $24.95

    Build an arcade catapult and challenge a friend to a game!
  10. Ballista

    $24.95

    Build a ballista and experiment with aiming and launching!

   

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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!