A set of soft rubber stacking balls designed for toddlers aged 0 to 3 years, each ball features a water spray function for added sensory play. The set includes multiple balls that can be stacked to build coordination and fine motor skills, with a size of 21.5 centimeters. Each ball is crafted from durable rubber, making them safe for little hands to grasp and squeeze. This product comes in a window box packaging, showcasing the colorful pieces inside. Sold wholesale by the box, with 72 pieces per carton. Options: Educational, 21.5 cm.