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Best Sellers

   

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  1. 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!
  2. Chomping Mechanical Dinosaur Costume

    $29.95

    Build a big green dinosaur costume with matching dino claws. Rawr!
  3. Glowing Horn Unicorn Costume

    $29.95

    Build a unicorn costume with a majestic mane, a noble snout, and a horn that lights up!
  4. Speedy Race Cars

    $15.95

    Create a custom speedy race car and use black washi tape to create a speedway on any surface.
  5. 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!

    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.
  6. Young Chemist (2-Pack)

    $44.95 $49.90 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!
  7. Paint Pendulum

    $24.95

    Engineer a paint pendulum, complete with paint bottle holder. Practice your swing and create vibrant spiral art, where every painting is totally unique. Then repurpose your pendulum to play games — like soccer, bowling, and more!
  8. Froggie Lab Dissection

    $29.95 $24.95

    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.
  9. Marble Timer

    $24.95

    Construct a marble-powered mechanism that helps keep time! Experiment with your timer and design new paths to help the marbles run faster, slower, and everything in between. Then time yourself while creating colorful dip-dye wood art.
  10. Fun with Flight

    $24.95

    Build a rocket launcher and a set of your own flying rockets. Make a kite and run around to watch it fly.

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

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

    Find out more about Kiwi 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.

   

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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!