6 years & up. Develops logic and spatial perception while kids learn to be tactical. Players take turns placing pieces on their board, each starting from their corner. Each new piece must touch at least one other piece of the same color, but only at the corners! The goal is to get rid of all your pieces. The game ends when all players are blocked from laying down any more of their pieces. Includes one game board with 400 squares, 84 game pieces in four bright translucent colors, and an instruction guide.