The two shapes and nine colors create endless possibilities for stacking and sorting. Create a color pattern using one shape and let your child create the same pattern with the other shape. Great for developing early color and shape differentiation as well as counting skills. The pegs are secured by elastic strings to the wooden base. They will lie down when the baby fell on them. The chunky pieces fit perfectly into toddlers' hands, allowing children to play multiple games that strengthen their hand-eye coordination.