E-Blox Circuit Blox Builder - 115 Projects Circuit Board Building Blocks Toys Set For Kids Ages 8+Let your child enjoy hours of fun and creative play when you get this E Blox Circuit Blox Set! Designed for ages 8 and up, this kit features colorful building blocks that have electronic components in them that, when assembled properly, will make circuits that light up and make sounds. There are 115 different projects to build, and all parts are compatible with our Power BloxTM line to add even more fun to your building experience. These fun projects