This Lab Is All Fun & Games! Kids learn about electrical engineering, as they build fun, hands-on projects—from a quiz show to a full-tilt baseball game to an electronic rooster! Games & Gadgets Electronics Lab includes 6 snap-together modular base boards and 10 smart modules including a powerful computer microprocessor, battery pack, speaker, light sensor and more. The 48-page lab book provides step-by-step, full-color instructions for building 50 sophisticated circuits, plus endless options for custom creations. Uses 3 AAA batteries. Ages 8+.