How to Use -No battery required, rotate its wings (rubber band) and then clip it between pages.
greeting
20 PCS Flying Butterfly Toy, Magic Wind Up Flying Butterfly Surprise Box Wind Up Butterfly Surprise Toy for Wedding Birthday Party Book and Greeting Cards(5 Styles)
UNIQUE DESIGN – This wind-up butterfly toy is designed with different color patterns, it looks cute and fun, you can choose a different style to play with everyday