From the Manufacturer
Evenflo switch a roos are designed to help children achieve developmental milestones and are compatible across all evenflo exersaucer models.
Evenflo Chewy Fish Switch-A-Roo Great fun by itself or with an Evenflo activity platform, the Evenflo Chewy Fish Switch-A-Roo is a happy, colorful teether toy that any child will love. The water filled fish will swim around your little one’s imagination with its crinkle tail and flexible seaweed stalk. Fun for tiny hands and growing minds, the Evenflo Chewy Fish Switch-A-Roo is a great sensory development toy.