Kaleido Gear is a traditional intelligence toy,
it contains a pair of gears, a big frame and a inner gear.
Roll the inner gear around the frame, a curve will be drawn on the screen.
Rose curve, star curve, infinite kinds of curves can be created with different gear settings.
Tags: gear curve , rose curve , infinite rose curve , kaleido gear drawing , rosecurve , kaleido , kaleido gears , kaleido gear , draw gear