Keva: Contraptions Reactions Slime & Putty Retro design with vacuum electroplating

Retro design with vacuum electroplating and manual polishing for a long-lasting shine

Discover the mesmerizing flow of immiscible liquids with the Science Museum of Minnesota Oil Timer

Holds a generous 15 oz of your favorite hot or cold beverage

A vibrant scene filled with planets

making it a delightful keepsake or gift for dinosaur fans

Keva: Contraptions Reactions Slime & Putty Retro design with vacuum electroplatingGet the fun rolling with this unique set that includes traditional KEVA planks, special colored planks and a variety of unique pieces to set off chain reactions. Builders can set up their contraptions to cause reactions like ringing a bell, knocking over a bowling pin and more. Build a course and see if the pieces react as you predict!