Classic roly-poly stacking toy with brightly colored rings with a variety of textures for baby to grasp, shake, stack & teethe Each ring features a unique sensory experience for baby: green with ribbons; blue with soft plush; orange with spinners; purple with textures; yellow with rattles Helps introduce babies to sorting, stacking, colors & sizes Bat-at rocker base for fun wibbly-wobbly play Encourages sensory development and helps foster fine and gross motor skills for babies ages 6 months and older R Exclusive, only available at Toys R Us Canada. The Sensory Rock-A-Stack toy from Fisher-Price adds a fresh element of fun to this classic roly-poly stacking toy. Each of the 5 colorful rings features different textures, fabrics and taggies to engage and delight your baby's senses. Babies will love touching, grasping, shaking and stacking the rings on the wibbly-wobbly base, exercising their fine and gross motor skills as they do!