All the thrills of a classic domino run with the added twist of a brilliant chain reaction logic puzzle! Kids put their reasoning skills to the test as they navigate their way through pivots, around blockers, and up and down stairs. Players trigger a domino effect to hit the targets and win! It’s a great way to boost critical thinking, logic, reasoning and visual perception skills. Game includes 2 grids, 22 dominoes, 2 staircases, 3 targets, 2 pivots, a blocker, 2 walls and 60 leveled challenge cards. Bottom grid measures 9 3/4" x 9 3/4".