Age 12m+ Signature Skip Hop Zoo character Pull string to activate propeller and set sub in motion Encourages motor skills while teaching floating and sinking Phthalate-free Size (inches): 4.5l x 3w x 3.75h; (cm): 11l x 8w x 10h Monkey is on the move and ready to explore! Babies and toddlers can take our Zoo pal for a ride in the tub by pulling the string and setting the submarine in motion. Take our underwater adventurer for a ride in the tub. Just pull the string to wind the propeller and set the sub in motion. A fun way to learn cause and effect!