Power:2-3xAA Batteries (not included) <br />When you receive the pillow， please install 2 or 3 AA batteries first. Then the light flashes and changes the colors automatically.<br /><br />S size， star shape : 36*32cm<br />L size star shape : 40*35cm<br />Bear paw shape:  45cm x 35cm<br />Square shape， bear pattern: 45cm x 45cm<br />Heat shape， i love you pattern: 38cm x 32cm<br />Teddy Bear: 35cm<br />Dolphin: 35cm<br />please check the pictures<br /><br />Each shape has 5 colors to choose: blue; pink; white; purple; yellow<br /><br />Features:Stuffed & Plush，Soft，Electronic，Flashing<br /><br />When you receive it， please install 3 AA batteries first .<br />Then the light flashes and changes the colors automatically. It will be very beautiful at night. The girls and children will love them very much! Soft and safety for children.