12 months & up. Sensory development in the tub or pool! Includes three 2-1/2" floating Edushape Original Sensory Ball, a floating Edu-foam basket, and a mesh bag for storage. Nubby Sensory balls are easy to grip for young children, even with wet, soapy hands. This toy will stay in nice condition for a longer time since the Edu-Foam is resistant to mold and mildew and will not absorb water or misshapen.