The Snap Circuits make learning electronics easy and fun! Just follow the colorful pictures in the manual and build exciting projects, such as FM radios, digital voice recorders, AM radios, burglar alarms, doorbells, and much more! You can even play electronic games with your friends. All parts are mounted on plastic modules and snap together with ease. Enjoy hours of educational fun while learning about electronics. No tools required. Uses �AA� batteries. Not included. Pro Version - Contains over 75 parts including voice recording IC, FM radio module, analog meter, transformer, relay, and 7-segment LED display. Build over 500 experiments. Awards & Acknowledgements Dr. Toy 100 Best Toys Award Recommended Age: 8 and Up