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Help baby build new discoveries with the Baby Einstein Ocean Explorers Opuss 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.

Designed to let baby explore as they stack, stream, and pour, each of the 4 ocean-themed cups is large and textured for baby to easily grasp and play.

Squeeze in some cause-and-effect fun with the purple clamshell water squirter, or delight in watching Opus the Octopus from Baby Einstein Ocean Explorers change color in warm water! Perfect for water play or floor play.

• The Baby Einstein Ocean Explorers Opuss 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.