Flapping bat

Exif_JPEG_PICTUREfledermaus bat murcielago papel papier paper halloween craft manualidad basteln children kinder niños

This bat flaps its wings when you pull its body down. The wings have a slit for the string: move it until the bat balances, then fix it with tape.

You'll find an easier but just as lovely bat (and lots of other great things) at Made by Joel.