Entertain clever kiddos and kidults with this on-the-go brainteaser puzzle that doubles as a fidget toy! The challenge: fit the green piece anywhere on this transparent pocket-sized 2.75" square gameboard. Solve by fitting the rest of the silicone pieces into the grid. (They make a satisfying pop as they go into the holes!) Flex those 3D logic skills: the puzzle's not solved until both sides of the game board are filled by the pins or covered by the pieces! For 1 player.