1. Fold down follow the dashed-line and spread out

2. Fold down follow the vertical dashed-line

3. Fold it follow the dashed-lines for making the crossed-crinkle

4. Fold the 2 sides by making valley fold

5. Fold the lower-part up to abut at the middle crinkle

6. Fold it follow the dashed-line and the triangle part is on the folded-part

7. Fold it up follow the dashed-line

8. Fold it down follow the dashed-line on both sides

9. Spread the lower-part out and pull apart to each side

10. Fold the 2 angles follow down the dashed-line

11. Fold up the angles of triangle on both sides

12. Fold the bottom part to be the frog’s legs

13. Fold up follow the dashed-line

14. Fold down follow the dashed-line

15. Turn over

16. Finish