... , ROHs Fluttering Butterfly in a jar with LED light Each Electronic Butterfly in a Jar is a jar with a wire in it. The wire ... tap the top or make a loud sound, the electronics in the cap make the wire wiggle. This creates the very ... , it is hard to take your eyes off. It comes in four colors Pink Morpho, Blue Morpho, Monarch, and Yellow Swallowtail ...