Stacking Rings: A set of stacking rings made of smooth, non-toxic plastic. The rings come in different sizes and vibrant colors, perfect for your baby to stack and sort. The packaging is a sturdy cardboard box with a see-through window, allowing you to see the rings inside. The box features a playful design with images of babies playing with the rings. The label includes text such as Stacking Rings, For Ages 6-36 Months, and Promotes Hand-Eye Coordination.