Ceper is a traditional game that uses only metal lids. Typically, the lids may be taken from glass bottles. It is believed that this game was one of the most popular traditional games of the 1970s - 1980s. This game has no limit on the number of participants. The game is said to test the mind and the strength of the player's fingers when flickering and looking for ways to trick the opponent(s). In addition, the player must also be strategic in order to ensure that the opponent is not able to choose difficult moves for the player to flick.