Zerowin Wooden Toys Shapes Shape-Sorting Puzzle with Wooden Knobs Educational Toy Material: 100% Wood Bright and colorful silkscreen printing This game can exercise baby's hand-eye coordination ability and memory ability. Children learning t color, shape in the game. Increase the understanding of numbers and shapes Great introduction for colors, shapes, basic objects and it helps developing finger motor skills. Wooden knobs are easy for children to grasp and 100% safety.