動く折り紙「くいくいイルカ」Action Origami “Swimming Dolphin”

動かして遊べる折り紙シリーズ「くいくいイルカ」。
鼻の横を押し込むと折り紙イルカがまるで泳いでいるかのようにくいくいと体を上下させます。
How to make an origami dolphin which moves.
As you push its face, this origami dolphin shakes its body as if it were swimming!
@Isamu Sasagawa