Discover the power of itty-bitty electronics with the SmartLab Tiny Tools BIG Science Kit. This portable mini-electronics lab lets you build gadgets, create funny sound effects, and play fast-paced electronic games with lights and sounds. The kit includes a microprocessor, battery pack, push buttons, wires, and a foldout electronic manual with instructions for 20 fun activities. Kids can wire up circuits that glow, display patterns, and make music while learning about persistence of vision, series and parallel circuits, and how a microprocessor works. Ideal for ages 8 and up, this kit is perfect for classroom sharing, parent-child activities, and sleepovers. Package dimensions: 7.8 x 5.6 x 2.2 inches.