Lil' Fishys Motorized Water Pets &ndash; Lucky Lil Fishys Swimming Toys - Clamshell packaging, adjust the tail to change the swimming action, motorized Bath and Pool Buddy The tail part can adjusted to difference position, then it can swim and dive around the larger circle Or dive and jump according to the adjusted angle Requires 1 AAA battery (Not included) The super cool techno-toy Happy Fish replicates the natural movement of a fish