• Helps develop gross motor skills, such as crawling, as well as logic and math skills
• Largest ring can be placed on top to allow the ring stacker to roll
• Domed bottom gives toy a wobbly motion when placed on hard surface
• Smallest ring is clear and contains beads that create rattle sound
• Other rings are molded in bold colors and different textures
• Plastic ball snaps on top of stacker for convenient storage
