Snap Circuits Mini Kit FM Radio The Snap Circuits FM radio kit allows you to build a radio that really works! You can make 4 projects! ! Requires 4 "AA" batteries (not included). Elencos Snap Circuits® makes learning electronics easy and fun! Just follow the colorful pictures in our 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