Control the roll and go green. Light up the night when you play with our fun updated toy. Our Green LED Thumb Chucks are a light up fidget toy that features a 10" string and two spheres on each end and an on off button on the bottom.. Click the button to activate the bright multi color LED's within. Fidget and play while our LED Thumb Chucks blink and flash. Figure out your moves. Thumb Chucks make a great party favor, stocking stuffer, vending toy and redemption prize. 3 - AG13 batteries are included and installed but cannot be replaced.