This is a toy suitable for parent-child interaction and competition between friends.There are 12 L-shapes like the ones on the above,each 4 in a color of red,yellow and blue.Each L has its matching place on the card.Any piece might be turned or flipped over before being put in the grid.The red,yellow and blue dots on the grid must be placed in the hole of the L-shapes with a matching color.With 30 question cards and 30 levels, the difficulty increases gradually. Please open your mind and wish you success in passing the level.