EDUCATIONAL PLAY: Invite your child to practice stacking sorting and grasping the stackable rings. Learn to sort the rings by color and size and challenge little ones to stack the rings faster and faster each time! SUSTAINABLY-MADE: Made using sustainable rubberwood and colored with non-toxic water-based pigments the Stacking Ring is free from both harmful chemicals and sharp edges to ensure safe play. SUPPORTS DEVELOPMENT: Develop hand-eye coordination and fine motor skills while grasping lifting sorting and stacking the rings. Learn to differentiate between a variety of colors and sizes. Encourage problem solving by using a trial-and-error process to stack the rings successfully. Support communication and language skills by talking through each step of play. INCLUDES: The Stacking Ring consists of 6 circular rings varying in color and size with a base for stacking. An oval on top completes the structure once fully stacked. Suitable for children 18 months and older.