Start a great hobby in electronics. No prior knowledge needed to assemble; spring coil connections make it safe and easy for anyone to use. Includes detailed step-by-step illustrated manual for easy project construction. Build a radio, AM broadcast station, electronic organ, kitchen timer, logic circuits and more. Comes with a built-in speaker, 7-segment LED display, two fully-integrated circuits and rotary controls. Requires 6 AA batteries not included. Ages 10 and up.