A set of soft rubber stacking balls offers a hands-on way for infants and toddlers to explore shapes, colors, and balance. Each box contains 72 pieces, with the balls measuring 21.5 centimeters in size. Made from rubber, these toys are designed for young children aged 0 to 3 years to stack, sort, and play with, supporting early logic and puzzle skills. Each piece comes in a window box for display. This product is sold wholesale by the box.