Trusted by Families Worldwide - With over 50 million sold, ThinkFun is the world's leader in brain and logic games. Develops critical skills - Builds logic and problem solving skills through fun gameplay. What you get - Domino Maze comes with a top grid, bottom grid, 2 staircases, 22 dominos, 3 targets, 2 pivots, 1 blocker, 2 walls and 60 challenge cards with solutions. Clear instructions – Easy to learn with a clear, high quality instruction manual. You can start playing immediately!