Circuit Blox™ 4 Project Student Set - E-Blox® Circuit Board Building Blocks Educational SetsThis kit provides hours of fun and educational play for kids 8 and up. The colorful building blocks have electronic components in them that, when assembled properly, will make circuits that light different LEDs and a fiber optic tree and spin a motor and fan. There are 4 different projects to build, and all parts are compatible with our Power BloxTM line to add even more fun to your building experience. Some of the fun projects you will build include