Best Sellers

45 results


STEM Holiday Bundle (3-Pack)


Domino Machine


Pinball Machine


Most lovedHearts graphic

Christmas Candle Carousel


NewBurst graphic

Marble Run + Art Easel


Baking and Fractions


Santa's Sleigh Automaton


Astronaut Starter Kit


Most lovedHearts graphic

Marine Biologist Starter Kit


Remote-Controlled Snake Robot


Little Tree


Levitating Lantern


Most lovedHearts graphic

Record Racer


Science of Cooking: Ice Cream


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Best-Selling Science Kits & STEM Toys

Enriching, science-based learning needs to have a few of these key elements: curious minds, hands-on projects, quality materials, and fun results! These 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.