Explore the wondrous teeny-tiny underwater world of a sweet, teeny-tiny mermaid who lives in a teeny-tiny castle with her teeny-tiny friend! Life in the teeny-tiny sea is full of big adventures filled with teeny-tiny beautiful treasures to be found! This interactive aquatic adventure features a bright, iridescent mermaid tail puppet toy built into the book perfect for flipping through every page while encouraging interactive play, hand-eye coordination, sensory and language development. Babies and toddlers learn best when they are playing, especially when their grown-ups are in on the fun!