During the 1950's a childhood game called 'knucklebones' was played by primary school girls. At least 2 people were required to play sitting opposite each other and going through the 'moves' (throwing the bones up from the back of your hand, picking up a bone from the floor and catching the others), using 5 knucklebones, as listed on written instruction that came with a coloured plastic version mass produced and with instructions.During the 1950's games were played that required natural substances but increasingly extending to commercial equivalents. Two white knuckle bones from a sheep, used to play the game 'knuckle bones'knucklebones. children's games. primary school. 1950's