Best Sellers


64 results

Domino Machine


Christmas Candle Carousel


Santa's Light-Up Workshop


Santa's Sleigh Automaton



STEM Holiday Bundle (3-Pack)


Remote-Controlled Snake Robot


Hydraulic Claw


Astronaut Starter Kit


Little Tree


Crystal Chemistry Tree



Holiday Tree Bundle Pack (2-Pack)


Ice Skating Rink


Santa Wobbler


Snowman Wobbler



Santa and Snowman Wobbler (2-Pack)


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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.