Physics & Engineering

Build five out of this world robots powered entirely by the sun, no batteries required. Start with Helio, the main robot featuring a solar panel an...

Get ready to craft and explore the cosmos with the DIY Space Kaleidoscope Kit! Kids construct their very own functional kaleidoscope and create an ...

This Zig & Go Music 52 piece set from Djeco contains all you need to make mesmerizing chain reactions that result in sound! Includes marbles, d...

Use the quality wooden dominoes, wheels, tracks, and other components in this 28 piece set to build chain reactions. Observe the movements: slow at...