Baby Einstein Opus’s Ocean of Discovery™ Tummy Time Water Mat. Features Opus the Octopus from the Baby Einstein video and book series. Fills with water for hands-on sensory exploration. 6 floating creatures entertain and promote motor skills. Photo-real visuals bring the ocean environment to life. Promotes tummy time and open-ended play. Water plug makes filling & draining the mat quick and convenient. Smooth, wipeable surface is easy to clean. Foldable for storage & portability.