A finished Jumping Frog in 3D, drawn by the folding engine

How to fold a Jumping Frog

Difficulty
Medium
Steps
8 steps
Paper
One square sheet
When finished
Jump

Fold a waterbomb base, fold up the front legs, and pleat the back into a zigzag spring. Press it with a finger and slide off to make the frog hop.

Steps to fold a Jumping Frog (8 steps)

  1. How to fold a Jumping Frog: diagram for step 1

    Step 1Start with the white side up. Fold the bottom left corner to the top right corner, then unfold to leave a crease.

  2. How to fold a Jumping Frog: diagram for step 2

    Step 2Do the same with the other two corners. The creases make an X.

  3. How to fold a Jumping Frog: diagram for step 3

    Step 3Fold the top edge back to meet the bottom edge, then unfold to leave a crease.

  4. How to fold a Jumping Frog: diagram for step 4

    Step 4Push the middle of the left and right edges inward and bring the top edge down to flatten it into a triangle. This is the waterbomb base.

  5. How to fold a Jumping Frog: diagram for step 5

    Step 5Fold the lower left corner of the front two layers up at an angle. This is a front leg.

  6. How to fold a Jumping Frog: diagram for step 6

    Step 6Fold the lower right corner up at an angle the same way.

  7. How to fold a Jumping Frog: diagram for step 7

    Step 7Fold the bottom edge up behind, then fold it back down right away to make a zigzag pleat. This is the spring, and it also forms the back legs.

  8. How to fold a Jumping Frog: diagram for step 8

    Step 8Draw the eyes and you are done. Press the spring at the back with a finger and slide off to make the frog hop.

  9. Diagram of the finished Jumping Frog

    Finished