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  1. Electronics (4-Pack)

    $124.95 $159.80 value

    Shop for advanced electronics favorites and save when purchased as a pack. Qualifies for free shipping!
  2. 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!
  3. Spin Art Machine

    $24.95

    Make a spin art machine and experiment with centrifugal forces!
  4. Kiwi Crate Classics (5-Pack)

    $99.95 $124.75 value

    Shop for Kiwi favorites and save when purchased as a pack. Qualifies for free shipping!
  5. Marble Timer

    $24.95

    Construct a marble-powered mechanism that helps keep time! Experiment with your timer and design new paths to help the marbles run faster, slower, and everything in between. Then time yourself while creating colorful dip-dye wood art.
  6. Young Chemist (2-Pack)

    $49.95 $54.90 value

    Ignite a passion for science at an early age and save when purchased as a pack. Recommended for Ages 5+. Qualifies for free shipping!
  7. Unicorn Sewable Circuit

    $14.95

    Sew up a circuit using flexible conductive thread, then craft a unicorn keychain whose horn lights up when you touch its tail to its hoof.
  8. Glow Lab

    $44.95 $32.95

    Explore UV light and mix up 3 solutions that glow in the dark. Explore the chemistry of fluorescence, phosphorescence, and chemiluminescence.

    Delivery note: This item will ship separately from any other items in your order. Your entire order only qualifies for Standard Shipping (delivered within 3-10 business days).
  9. Chalkboard & Glow Slime

    $24.95

    Stretch your chemistry and doodling muscles and mix two kinds of slime with this hands-on kit — jet-black chalkboard slime and glow-in-the-dark slime
  10. Butterfly Wings

    $12.95

    Personalize the butterfly wings set with felt stickers and velvet ribbon before flying away!

   

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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!