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  1. Geometric Laser Projector

    $44.95

    Construct a variable speed laser projector, capable of producing a variety of different geometric patterns.
  2. Chemistry (3-Pack)

    $114.95 $134.85 value

    Ignite a passion for science with 3 complete chemistry lab kits. With Electrochemistry, you'll complete 2 experiments and engineer a clock that runs on just saltwater and strips of metal. 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).
  3. Glowing Horn Unicorn Costume

    $29.95 $24.95

    Build a unicorn costume with a majestic mane, a noble snout, and a horn that lights up!
  4. 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!
  5. 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.
  6. Light-Chasing Robot

    $39.95

    Wire up the motors, add the switch, and assemble your robot — all while exploring the science behind circuits and sensors. Customize your robot with one of two skins (a turtle or a beetle), then use the included flashlight to make it get a move on.

    Through Tinker Camp, supplement & extend Light-Chasing Robot 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.
  7. Headphones

    $34.95

    Build the headphone headband, rig up the speaker drivers, and experiment with stereo sound. Explore how speakers and other electroacoustic transducers turn electricity into sound, then learn about the historical technologies that made modern headsets possible.
  8. Electronics (4-Pack)

    $124.95 $159.80 value

    Shop for advanced electronics favorites and save when purchased as a pack. Qualifies for free shipping!
  9. 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.
  10. 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!

   

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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!