- DIY building fun: with these circuit kits you can build up to 100 scientific circuit kits- 100+ light, magnetic, sound and touch control experiments! Made for aspiring electriciansCircuit Boards - With large circuit boards and parts, your child will learn the basic concepts of electronics including electricity, voltage, current, resistance, magnetism, circuits and theory.- An illustrated instruction manual will guide them through over 100 fun experiments, including learning to connect.- Luminous Frisbees, AM/FM Radio, Doorbell Melodies, Spinning Tops, Animal Sounds, LED Bulbs, Bells, Color Filters, Digital LED Segments and more!- Requires 4 AA batteries (not included). Suitable for ages 8+.- Learning Building Blocks Kit - Experimental model for building educational circuits for beginners in the discovery and innovation of physical electricity- Great educational learning toy for physics beginners to learn circuit knowledge; train children's hand-eye coordination, problem-solving, hands-on, thinking, etc.Name: 100+ CIRCUIT CITYMaterial: plastic, electronic components, paper, wireWeight: 1.1kgSize: 45*34.5* 9cmBattery: 4*AA batteries (not included)Applicable age: 8 years old and aboveThe package includes:1 * User Manual