Line’Em Up Puzzle Are you ready for the challenge? Line’em Up is the game of balance and a steady hand. Maybe you can you line up one ball, maybe two, or even three or four, but can you line up all eight balls? The puzzle is small enough to fit inside your bag making it ideal for long car journeys with the family. Sure to test your resolve, the fun little puzzle game makes a great birthday or Christmas gift. Choking Hazard: Not suitable for children under 3 years due to small parts.