1Baby can grab and shake the colored rings and stacking them high, bringing endless fun for children kids. 2The smallest rings contain swirling beads for your child to shake and explore, add more fun for children. 3Stacking and placing the rings on the base will help increase your baby's sense of balance. 4Cultivate emotional, visual, intellectual development, training gripping, handeye coordination, other ability development. 5Parent can play with children, improve parentchild interaction and help promote intimate relationship.