This Yellow Swallowtail Butterfly in a Jar gives you all the joys of butterfly keeping -- without having to actually catch anything! This fake butterfly toy looks and moves like a real yellow swallowtail, but it"s actually driven by patented animatronics technology. All you have to do is tap the jar in certain rhythms, and the butterfly flutters and flies in true-to-life random patterns. Kids will adore the "magical" motions of the butterfly, and adults will enjoy being fooled. This Butterfly in a Jar ensures a good time for all!