

Circuitry uses 4 transistors to produce a unique display and a color label to glue to the PC board before assembling. The kit shows a colorful Christmas tree with 3 LED bulbs. When a 9V battery (not included) is connected, the bulbs blink all red, then all green, and then back to red again.
Skill Level: 1
Size: 2-1/2" x 2-5/8"
Includes
parts
label
PC board
instructions
Requires 9V battery, sold separately.