ES-16      10-LED Roulette (wheel of fortune) with slowdown function
(DC 9V)    
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10 LEDs arranged in a circle & numbered from 1 thru 10. When the button switch is depressed, a lighted "ball" spins rapidly. 
When released, the ball slows down & stops on one number. The circuit has built-in auto power off function which turns off the 
kit when it's left idle for a few second. (helps to save battery power)