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  1. Young Chemist (2-Pack)

    $51.95 $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!
  2. Crystal Ombre Soap Making

    $29.95

    Craft and customize two kinds of colorful, crystal-inspired soaps. Explore mineral science, colorful ombre geodes, and chemical reactions.
  3. 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?
  4. 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.
  5. Slime Party (5-Pack)
    New

    Slime Party (5-Pack)

    $84.95 $94.75 value

    With this 5-pack of projects, you'll concoct oozy, fizzy volcano slime; glittery confetti slime; color-changing thermochromic slime; circuit-perfect conductive slime; doodle-able chalkboard slime; and some bonus glow-in-the-dark slime!
  6. Tinker Crate Classics (5-Pack)

    $109.95 $124.75 value

    Shop for Tinker favorites and save when purchased as a pack. Qualifies for free shipping!
  7. Kiwi Crate Classics (5-Pack)

    $109.95 $124.75 value

    Shop for Kiwi favorites and save when purchased as a pack. Qualifies for free shipping!
  8. Koala Crate Classics (5-Pack)

    $109.95 $124.75 value

    Shop for Koala favorites and save when purchased as a pack. Qualifies for free shipping!
  9. Rainbows

    $24.95

    Create a scene against a rainbow of colors in a stained glass work of art!
  10. Rainbow Optics

    $24.95

    Create a color-mixing light jar, project colorful shadows, and play with rainbow glasses to learn about rainbow optics!

   

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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!