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  1. 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.
  2. Geometric Laser Projector

    $44.95

    Construct a variable speed laser projector, capable of producing a variety of different geometric patterns.
  3. Glow Lab

    $44.95 $39.95

    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).
  4. Solar System

    $24.95

    Create your own solar system mobile, complete with a light-up sun in the center.
  5. Friction Climbers

    $24.95

    Engineer 3 wooden animals to explore the mechanics of friction!
  6. Pinball Machine

    $24.95

    Design the board, launch, and play, all while discovering pinball game physics!
  7. Walking Robot

    $24.95

    Build a walking robot and experiment with mechanical motion!
  8. Light-Up Speaker

    $39.95

    Explore the science of sound by building an amplification circuit to power your own personal light-up speaker.
  9. Chemistry (2-Pack)

    $84.95 $94.90 value

    Ignite a passion for science with 2 complete chemistry lab kits. With Glow Lab, you’ll receive a UV light and mix up 3 glowing solutions. With Vortex Lab, you'll build a magnetic mixing machine and explore 4 amazing reactions. Recommended for Ages 14+.

    Delivery note: The Chemistry Pack is only eligible for Ground Shipping within the Contiguous United States. This pack will ship separately from any other items in your order. Your entire order only qualifies for Standard Shipping (delivered within 3-10 business days).
  10. Koala Crate Ultimate (8-Pack)

    $164.95 $199.60 value

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

   

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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!