Abstract: The invention relates to a roller assembly for a rotary roller reamer. The roller assembly includes a roller pin and a crushing roller. The crushing roller is arranged to be mounted on the roller pin and to rotate thereabout. The roller assembly is connected together so as to form a single cartridge which can be inserted into a pocket of the rotary roller reamer and secured thereto using a single fastener device.

Abstract: A method and apparatus for playing a game of chance and skill. The apparatus includes a group of dice comprising a scoring die, a challenge die, and a choice die. The scoring die relates to the scoring of points. The challenge die relates to challenging another player in attempt to take points away from the other player, and to having an opportunity to roll the choice die. The choice die provides opportunities for challenging, gaining a free turn, losing a turn, and gaining extra points. The players take turns in rolling the dice. A player becomes the winner of the game by acquiring a predetermined number of points, having a predetermined excess of points of points relative to the points of any other player, and rolling one of predetermined die combinations to end the game.

Abstract: A method and apparatus for playing a game of chance and skill. The apparatus includes a group of dice comprising a scoring die, a challenge die, and a choice die. The scoring die relates to the scoring of points. The challenge die relates to challenging another player in attempt to take points away from the other player, and to having an opportunity to roll the choice die. The choice die provides opportunities for challenging, gaining a free turn, losing a turn, and gaining extra points. The players take turns in rolling the dice. A player becomes the winner of the game by acquiring a predetermined number of points, having a predetermined excess of points of points relative to the points of any other player, and rolling one of predetermined die combinations to end the game.