Detectolab Science Kit

Transmit Your Voice On Any FM Radio. Range Up To 100 Feet. Learn About Microphones Audio Amplifiers And Rf Oscillators. With Training Course. Requires 9V Battery. Now You Can Hear Your Voice On The Radio!. Easy Assemble Manual. Requires Soldering. Ages 10 And Up. Requires 2 Aa Batteries; From The Manufacturer; Transmit Your Voice To Any FM Radio. This Fun Microphone Kit Can Be Tuned To A Quiet Spot On Your Local FM Broadcast Band For The Best Reception. Range Up To 100 Feet. Learn All About Microphones, Audio Amplifiers And Rf Oscillators. Requires Soldering Of All Electronic Components.