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  1. Slime Party (5-Pack)

    $74.95 $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!
  2. Eureka Crate Fun and Functional (3-Pack)

    $82.95 $104.85 value

    Lock down a love of science and engineering, with a mechanical lock box you make yourself! Construct a seriously impressive printing press, and experience the science of pressure hands-on! Then build a pair of stereo headphones that turns electrical energy into stunning stereo sound!
  3. Spin Art Machine

    $24.95

    Make a spin art machine and experiment with centrifugal forces!
  4. Electronics (4-Pack)

    $124.95 $159.80 value

    Shop for advanced electronics favorites and save when purchased as a pack. Qualifies for free shipping!
  5. Color-Mixing LED Crystal

    $24.95 $22.95

    Make a color-mixing LED crystal and explore the physics of color!
  6. Light-Up Speaker

    $39.95

    Explore the science of sound by building an amplification circuit to power your own personal light-up speaker.
  7. 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).
  8. 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
  9. Automaton

    $24.95

    Engineer a hand-cranked, wooden automaton that makes a marble climb stairs. Explore the gears and cams that make the mechanics work.

    Through Tinker Camp, supplement & extend Automaton with FREE content, video and additional DIY activities.

    Find out more about Tinker Camp and all the sessions of Camp KiwiCo here!

    Camp KiwiCo is open, and will be accessible all summer long. Crates can be purchased individually or you can buy a whole pack for the whole session.
  10. Fire Lab

    $34.95

    Make a colorful flame lamp and complete 7 combustion experiments that explore the chemistry of oxidation, the flame test, and light energy.

    Delivery note: Fire Lab is only eligible for Ground Shipping within the Contiguous United States. 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).

   

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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!