At 15 inches tall, the Fisher-Price® Giant Rock-a-Stack® takes classic stacking play to new heights. Your baby can grasp and shake the six colorful rings, then stack 'em up high on the wibbly-wobbly base. And the littlest ring has swirling beads inside for your tot to shake and explore!

Gross Motor: Standing up to drop the rings on the base helps strengthen your baby's balance and coordination skills.

Fine Motor: Grasping and stacking the rings helps strengthen dexterity and hand-eye coordination.

Thinking Skills:Figuring out how to sort and stack the rings from biggest to smallest helps promote problem solving!