Large-Mouth Bass, Realistic Swimming Fish Water Pool and Bath Toy 8" (Battery Operated) Tail whips back and forth to propel fish forward with realistic swimming motion and works great in pools and bath tubs Perfect gift for the avid fisherman Battery operated (1 AA required, not included) On/Off button located on the bottom of fish To reach battery, please use Phillips screwdriver size 0 by 75mm Battery cover has screw to ensure tight seal to protect from water