A rainbow stacking soft rubber ball set offers a playful way for toddlers to explore colors and coordination. Each box contains 36 pieces, with the ball measuring 33 centimeters in diameter. Made from vinyl, this item is designed for young children aged 0 to 3 years, supporting early logic and puzzle skills through simple stacking and sorting activities. The balls come in a portable box for convenient storage and transport. This product is sold wholesale by the box.