Twelve Shape Knob PuzzleThoughtful design toys: Wudly 12 knob puzzle Thick size and smooth edge make baby easy to grasp, square, heart, circle, five pointed star, diamond and other graphics have different colors to match, but also marked text for children to identify, can also belong to your parent child play time. Fun and education: When your baby tries to match blocks to goals or make various combinations, it helps build early shape, color and size difference skills, will