Circuit Blox 72 - E-Blox Circuit Board Building Block
Discover how lights, alarms, motors, switches and more work all while building fun projects. Learn all about electricity, current and voltage. Compatible with other building brick sets. Some of the fun projects you will build include a nerve tester and hand crank generator backup power source. Build 72 different projects. Great addition to any STEM program. Requires 3 AA batteries (not included). 35 pieces, including a maze, hand-crank generator, press switch, push-button switch, reed switch, lamp, LEDs, alarm, and more! 8+ years.