There are two LEDs, one to represent heads, and the other to represent tails. When you hold down the pushbutton, it begins to cycle between the two LEDs ultra fast, when you release, it comes to a stop on one or the other.

Runs on 6 - 9 vDC.

If you want to put it in a case, try this out, FB03.

Assembly Required? Yes

AC or DC? DC

Voltage 9vDC

Output Type LEDs

Current (Standby) 21mA

Current (Operation) 31mA

Alternate Voltage/Current (Standby) 12vDC 28mA

Alternate Voltage/Current (Operation) 12vDC 42mA

Length 51mm

Width 32mm

Height 17mm

Weight 0.008kg

Suitable Housing FB03

Skill Level (1-5) 1

Available Assembled? Yes

Assembly Time 0:31

Uses Transistors? Yes

Number of LEDs 2

Number of Transistors 2

Total Number of Components 16

Check out these related products:
36 LED Electronic Roulette Kit
10 LED Electronic Roulette Kit