E-Blox Circuit Blox Builder - 800 Projects Circuit Board Building Blocks Coding Kit Toys Set For Kids Ages 8+, Cb-0187This 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 lights, create entertaining sounds, and spin a motor and fan. You can even build an electromagnetic inductive windmill that spins continuously! There are 800 different projects to build, and all parts are compatible with our Power Blox line to add