Help baby build new discoveries with the Baby Einstein Ocean Explorers Opus's Stack & Stream Sensory Stacking Cups, a 5-piece set of nesting cups and accessories that engage baby in sensory play and promote cause and effect and fine motor skills

• The Baby Einstein Ocean Explorers Opus’s Stack & Stream Sensory Stacking Cups help baby engage in multi-sensory play with 4 large nesting cups and a clamshell water squirter to help baby stack, pour and discover colors, textures, and more.
• Opus the Octopus cup changes color in warm water. Other cups feature vibrant colors to support color learning and visual stimulation, as well as textures for multi-sensorial exploration.
• Helps build cause and effect, fine motor skills, and sensory learning as baby stacks, pours, sits, and nests cups.
• Great for water play, as slotted cups allow baby to stream water.
• Largest cup is 4.10 x 3.48 x 6 inches. Smallest cup is 3.96 x 2.5 x 2.37 inches. Cups nest for easy storage. Wipes clean.