This 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. There are 7 different projects to build, and all parts are compatible with our Circuit BloxTM line to add even more fun to your building experience. Some of the fun projects you will build include a Star Led and bi-direction LED. The kit includes a hand crank, generator, heart LED, Star LED and more! • Online Curriculum Included • Contains 7 parts • Batteries Not Required • Ages 5 and up.