These fun, bright, textured and STICKY cups provide endless tub time play while helping your child build a variety of skills! OOMPLZ allow your little ones to explore: Water transference Suction tendencies A variety of sprinkle effects Water's relation to gravity When bathtime is done, just stack and store! Bathtime bliss for kids and easy peasy storage for adults! Encourage and support: Cause and Effect, Sensory Exploration, Hand-Eye Coordination, Motor Skills, Cognitive Development Age 12 months+ *includes 3 Oomplz of varying size and water flow +1 handy cup