Shape Sorting and Stacking BinFeatures Shape sorter: This toy bin encourages shape sorting, color recognition and sensory experience of kids as it comes with 6 blocks of different shapes that are uniquely textured. Watch your kids having fun while pushing the shapes through the elastic bands Fine motor skills: Fulling and playing with bin strings helps develop finger strength. Logical Thinking: Sorting the colorful shapes helps to develop your baby's logic and problem solving