Stairway to Heaven Electronic Kit

Pressing the switch while a dual LED is green advances you to the next stage, but mess-up and press while red, and you go back to the beginning. It can be tricky and a challenge. Fun and teaches some practical basic electronics. Operates on 9V battery.

Specifications:

• L: 2-1/8" W: 3-1/4" H: 1-1/2"
• Requires 9 volt battery
• Uses 74C14 IC
• Includes plastic case