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Best Sellers

   

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  1. Glowing Horn Unicorn Costume

    $29.95

    Build a unicorn costume with a majestic mane, a noble snout, and a horn that lights up!
  2. Chomping Mechanical Dinosaur Costume

    $29.95

    Build a big green dinosaur costume with matching dino claws. Rawr!
  3. Kiwi Crate Ultimate (8-Pack)

    $149.95 $199.60 value

    Shop for Kiwi favorites and save when purchased as a pack. Qualifies for free shipping!
  4. Crystal Chemistry Garden

    $24.95

    Craft a colorful chemis-tree and garden using felt shapes and liquid watercolors. Then concoct a chemical solution that'll make your garden grow fun and funky crystals over two days, and learn the science behind them!
  5. Speedy Race Cars

    $15.95

    Create a custom speedy race car and use black washi tape to create a speedway on any surface.
  6. Colorful Chemistry

    $24.95

    Learn about the scientific method, then put together a bubbly chemical reaction in your own fab chemistry lab. Try other color mixing experiments, make some colorful art, and learn about everyday chemical reactions.

    Through Koala Camp, supplement & extend Colorful Chemistry with FREE content, video and additional DIY activities.

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

    Purchase by June 7 in time for Camp KiwiCo, which starts on June 22, and will be accessible all summer long. Crates can be purchased individually or you can buy a whole pack for the whole session.
  7. Froggie Lab Dissection

    $29.95

    Open Froggie up, then use a pair of kid-friendly tweezers to explore the major internal organs that you and Froggie have in common — heart, lungs, stomach, and more. Then play a diagnosis game to figure out why Froggie isn't feeling well.

    Froggie comes as a finished product, not a DIY building kit.
  8. Pinball Machine

    $24.95

    Design the board, launch, and play, all while discovering pinball game physics!

    Everything needed, from materials to illustrated directions, is included, along with imagine!, a bonus play & learn magazine for kids.

    Through Kiwi Camp, supplement & extend Pinball Machine with FREE content, video and additional DIY activities.

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

    Purchase by June 7 in time for Camp KiwiCo, which starts on June 22, and will be accessible all summer long. Crates can be purchased individually or you can buy a whole pack for the whole session.
  9. Rainbow Optics

    $24.95

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

    $24.95

    Build a launcher that uses elastic power to shoot foam cannonballs. Contains everything you need to build a working launcher and matching mount.

    Through Kiwi Camp, supplement & extend Cannonball Launcher with FREE content, video and additional DIY activities.

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

    Purchase by June 7 in time for Camp KiwiCo, which starts on June 22, and will be accessible all summer long. Crates can be purchased individually or you can buy a whole pack for the whole session.

   

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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!