You place a coin in a spectators hand they can examine the coin you then tap the coin with a Tic Tac box and the coin penetrates inside the Tic Tac box they can then examine the Tic Tac box or you can toss a coin at a Tic Tac box and have it penetrate inside the box your hands are then shown empty and the box can then be handed out for inspection
Additional supplies may need to be purchased to perform this effect.