Here's a fun and engaging way to learn how gizmos and gadgets work. This Snap Circuits Deluxe kit builds more than 500 projects. A Dr. Toy Winner for the top 100 best children's products, it has easy-to-identify, color-coded parts and teaches electronic circuits through practical applications. Kids can create their own experiments and games, or build their own digital voice recorder, AM radio, digitally tuned FM radio, AC generator, screaming fan, whistle switch and much more. AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products. Contains over 75 Snap-Together parts. Build over 500 exciting projects. Clear and concise Illustrated Manual Included and Available Online. Build 500 experiments. Number of Batteries: 2 Learning Skill: Engineering, Science Power Source: Battery (not Included) Assembly: Assembled Base Material: 100% Plastic Battery Size: Aa Care: Wipe Clean Country of Origin: Imported