Lovevery Nesting Stacking Drip Drop Cups Designed for tower-building, nesting, and bath time play. The set features colorful, wave-shaped cups that nest inside one another for storage and stack on top of each other. They are designed to help children practice fine motor skills, spatial reasoning, and water pouring concepts. The cups vary in size and have different hole patterns at the bottom for varied water drainage. Age: 7-10 months