YELLOW ANIMAL SUBMARINE! Splish splash! All aboard the Yellow Animal Submarine! Discover this innovative reading adventure to spark every toddler's imagination! YELLOW ANIMAL SUBMARINE! Splish splash! All aboard the Yellow Animal Submarine! Discover this innovative reading adventure to spark every toddler's imagination! This unique collection of three captivating books is cleverly designed so they nestle inside each other like a three-piece puzzle. Climb aboard and start reading these fun ocean-themed books in the Animal Train collection! 12 pages (per book x 3). Puzzle-shaped books, box with handle cord, magnetic closure!