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  1. Animal Bath Bombs

    $17.95

    Learn about acid-base reactions and the science of molecules while mixing up a colorful chemical concoction, then press the mixture into bath-bomb shape. Drop your finished bath bombs into water to see fizzy chemical reactions — in action!
  2. 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!
  3. Kiwi Crate Ultimate (8-Pack)

    $164.95 $199.60 value

    Shop for Kiwi favorites and save when purchased as a pack. Qualifies for free shipping!
  4. Pinball Machine

    $24.95

    Design the board, launch, and play, all while discovering pinball game physics!
  5. Solar System

    $24.95

    Create your own solar system mobile, complete with a light-up sun in the center.
  6. Basketball Catapult

    $19.95

    Aim, shoot, and score with this physics-friendly crate! Engineer an adjustable catapult and play a spirited game of basketball. Learn about the science of sports, and experiment with different angles and arcs until you're a hoop superstar.
  7. Glowing Horn Unicorn Costume

    $29.95

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

    $29.95

    Build a big green dinosaur costume with matching dino claws. Rawr!
  9. Light-Up Alien Spaceship Costume

    $34.95

    Build a light-up UFO that you can wear around your head, complete with a fetching pair of alien glasses.
  10. Light-Up Lantern

    $22.95

    Puzzle together the pieces of an LED-powered lantern, fit for any budding explorer. Sharpen your spatial reasoning skills while crafting with wood, foam, and fabric.

   

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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!