(g.) Seven Butterflies 180820 - blue swallowtail

Seven butterflies fly as a unit in designated area.
For example, they move as a unit 30 x 30 meters area.
Area can be selected via Dialog window.

When a butterfly is touched. butterflies move to Home-position and translucent ball covering all butterflies appears. Dialog window appears also. Please select a button you need to change area.

If you prefer less butterflies unit, you may unlink and delete some of them. (It may not be easy to pick up flying butterfly). However please be careful not to delete translucent ball.