The iconic Rock-a-Stack toy features a bat-at rocker base and 5 colorful rings to grasp and stack. This adorable gift set is loaded with hands-on play that helps your baby develop dexterity, hand-eye coordination, and problem-solving skills. (*Toys made from a minimum of 90% ethanol extracted from sugar cane.) includes 1x Rock-a-Stackproduct features. The Rock-a-Stack® ring toy has a rocking base and 5 colorful rings to stack. Grasping, stacking and sorting the toys helps develop fine motor skills and problem-solving skills. For babies ages 6 months and older.