Four very simple designs

 Origami Finger Windmill 手指風車 - Designed by : Kade Chan 2011
Diagram download :
http://www.sendspace.com/file/jolsqk

Origami Boomerang 迴力鏢 - Designed by : Kade Chan 2011

Diagram download :

http://www.sendspace.com/file/td1w1l

Balancing Origami 平衡摺紙 - Designed by : Kade Chan 2011

Diagram download :

http://www.sendspace.com/file/6ifeuk

Origami Butterfly 蝴蝶 - Designed by : Kade Chan 2011
Diagram download :
http://www.sendspace.com/file/ifogwv