Great for bath and pool fun, Sensory Hoops includes three 21/2″ floating Edushape original sensory balls plus a floating four hoop Edu-Foam ‘basket’. 2.5″ Original sensory balls are easy to grip, even with wet soapy hands and Edu-Foam is extraordinarily resistant to mold, mildew and will not absorb water or misshapen, ensuring lots of long lasting, developmental fun. Encourages development of fine motor skills, gross motor skills, socialization, hand-eye coordination, tactile sensory development visual sensory development.