With the counter starting at number one, each player moves a bearing one space. When the counter is moved one up, each player moves their play pieces two spaces. As the number of moves escalates to ten, so does the challenge and excitement level of this skillful game. But with limited space to maneuver, can you keep up with One Up? Line up 4 same colored bearings to win.Details:18 piecesFor 2-4 playersFor ages 8 and upContents:16 wood and metal spheres1 counter1 wooden playing board