A soft rubber stacking rainbow set offers a gentle, colorful play experience for babies and toddlers aged zero to three years. This 21.5 centimeter toy comes in a window box packaging, making it easy to see the vibrant pieces inside. Each box contains 72 units, providing a substantial supply for retailers. The rubber material is pliable and safe for little hands to grasp, hold, and chew during early developmental play. It is designed to help young children practice hand-eye coordination and learn about sizes and colors through stacking and sorting activities. This item is sold wholesale by the box. Options: Educational, 21.5 cm.