Origami is the Japanese art of folding paper into any number of different shapes. An origami magic ball is a sphere shape created by folding a piece of paper. It is called a "magic" ball because when you pick it up and handle it, the sphere changes shape. For example, turning the ball inside out results in a mushroom shape. This is an advanced origami project. Although skilled folders can use smaller size paper, someone attempting the origami magic ball for the first time should use a larger and rectangular piece of paper that is twice as long as it is wide.

Bring the short edges of the sheet of paper together and fold it in half. Make the crease sharp and unfold the paper. Bring the short edges into the centre crease and fold the paper. Make the creases sharp and unfold the paper. Repeat in the same fashion until you have 31 evenly spaced folds and 32 sections.

Flip the creased paper over and repeat Step 1, folding over the same 31 creases, but in the opposite direction. Doing so allows you to fold the paper both ways with ease.

Bring the long edges of the creased sheet of paper together and fold it in half. Make the crease sharp and unfold the paper. Bring the long edges into the centre crease and fold the paper. Make the creases sharp and unfold the paper. Repeat in the same fashion until you have seven evenly spaced folds and eight sections. Each crease on the unfolded sheet of paper is a little rectangle and each pair of rectangles forms a square.

Fold the paper diagonally across each square (two rectangles together) in both directions so that when you unfold the paper it looks like there is an "X" shape inside the square. Keep folding so you have an "X" shape in every square. Make these diagonal folds on one side of the paper only. The unfolded piece of paper is now covered in large and small triangle shapes.

Fold the paper along the original 31 creases back and forth as you would a paper fan. The long sides of the larger triangle shapes must be parallel to you. Go to the first square on the bottom right of the fan and press on the "X" shape in its centre. Doing so makes the small triangles fold against each other along the line between them so they pop upward into the centre of the square and brings the two long edges of the two large triangles toward each other. This intricate fold in which you are making the square into a triangle is called a "water bomb fold."

Repeat the water bomb fold on the next square up and keep going until you have completed the same fold for all the squares on that edge of the fan.

Complete the water bomb fold on the next row of squares but instead of folding down, fold up so you are going in the opposite direction. Repeat the water bomb fold on the next row of squares, folding down again. Do this for every row so each one is alternating. The paper is now a cylinder shape. Tape the ends of the cylinder together so you can begin constructing the ball.

Unfold the triangles at the top of the cylinder so you have eight creases that stick upward.

Press one of the creases together. Fold it down along the crease left by the spot you unfolded in Step 1, so the new fold is at an angle. Make the crease of the piece you just folded sharp and unfold immediately.

Press the new crease you made in Step 2 along the new fold. Keep going until you have completed all eight creases at the top of the ball.

Flip the ball over and repeat Steps 1 through 3 to complete the magic ball. Test it out by turning it inside out. You will have a mushroom shape.

### Things you need

- 1 sheet of rectangular paper, 16-by-8 inches
- Tape

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#### References

- YouTube: How to Make an Origami Magic Ball
- YouTube: Origami Magic Ball by Kade Chan (Folding Instructions) ~Part One~
- YouTube: Origami Magic Ball by Kade Chan (Folding Instructions) ~Part Two~
- YouTube: Origami Magic Ball by Kade Chan (Folding Instructions) ~Part Three~
- YouTube: Origami Magic Ball by Kade Chan (Folding Instructions) ~Part Four~