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  1. Eggsperiments



    Conduct a series of egg-themed experiments that show physics, chemistry, and biology in action. Color eggs using chemical reactions, create sparkly eggshells through crystallization, and more! Eggsplore the scientific method in a hands-on way, all while seeing bubbly, fizzy, bouncy, sparkly science at work!

    Eggs not included.
  2. Robots and Coding


    Build and decorate your own friendly robot buddy. Create a robot rabbit with a customizable track to run along. Write programs to solve puzzles and send your robot along a path.
  3. Fun with Flight


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


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


    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.
  6. Young Chemist (2-Pack)

    $51.95 $54.90 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. Kiwi Crate Classics (5-Pack)

    $109.95 $124.75 value

    Shop for Kiwi favorites and save when purchased as a pack. Qualifies for free shipping!
  8. Rainbow Optics


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


    Hit the arcade and build the claw and create a couple of cute pom pom prizes! Set up your own claw game and see if you can win the prizes. Learn about other arcade and then build your own version!
  10. Colorful Chemistry


    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.


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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!