How to Fold an Origami Frog that can Jump

This origami frog was taught to me when I was little. I think it was some common knowledge that every Vietnamese child would know. The frog is quite simple to make, and it can jump! These pictures below show how to fold it step-by-step. This post is to fulfill a promise I made.

 I hope these pictures explain themselves well. Please let me know how I should do it differently next time!