The Fisher-Price Rock-a-Stack toy offers classic stacking fun for your baby. Younger babies will love grasping - holding - shaking and exploring the five colorful rings. The littlest ring has a shiny - reflective surface for baby to discover insidewith colorful - swirling beads that make fun rattle sounds! When they're ready to sit and play - babies can stack the rings on the post - then bat at the wobbly base to make it rock back and forth. Stacking helps them develop hand-eye coordination and introduces them to the concept of relative size as they learn to sort and stack from biggest to smallest!

• Classic stacking toy with 5 colorful rings to grasp - shake - and stack
• Top ring has shiny surface with rattle beads inside
• Roly-poly rocker base for wibbly-wobbly - bat-at play
• Helps develop fine motor skills and gross motor skills as baby grasps - shakes - and stacks the rings
• Great gift for babies and toddlers ages 6 months and older