Lie Detector Game Toys Safety Electric Shock Polygraph Adult Lie Truth Test New. $ Free shipping. Electric Finger Game Machine Children Electric Shocking Roulette Lie Detector. $ Free shipping. SAVE UP TO 9% See all eligible Seller Rating: % positive. Jul 09, · This fun toy gives a static shock of electricity concentrated on the point of contact. It has great intimidation factor as the sound and spark are quite impressive. Overall length is 15 inches. It uses 2 AA batteries and is active when button is pushed. There is no electricity stored when button is released.