Vintage educational toy will build 75 projects including, voice recording/playback, talking alarm, touch-controlled switch, water sensing device, reflex tester, voice-controlled recording, robot voice sound effects and many more. Learn about transistors, photocells, variable resistors, capacitors, LEDs, and more. Coil spring wiring terminals for easy connections. Outer box has some damage. It is unclear if all wires are present. Includes Instruction Manual. See photos for details/condition, sold as-is.