How to make a Paper BalloonかみふうせんPaper Balloon
A paper balloon that puffs up when you blow into it. Tap it up in the air with your hand!
- 15 steps
- about 10 min
- 1 sheet of origami paper
- Age 7+
15
How to fold
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ななめ半分に折って、折りすじをつける（2回）
Fold in half diagonally both ways and unfold.
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左右を折りすじで内側へ入れて、三角にたたむ（風船の基本形）
Push the sides in along the creases and flatten into a triangle. This is the waterbomb base.
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うらがえす
Turn it over.
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こちらも同じように折る
Do the same on this side.
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左右の角を、まん中の線に合わせて折る
Fold the side corners to the center line.
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うらがえす
Turn it over.
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こちらも同じように折る
Do the same on this side.
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うらがえす
Turn it over.
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上の小さな三角を、下へ折る
Fold the small top flaps down.
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うらがえす
Turn it over.
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こちらも上の三角を下へ折る
Fold the small top flaps down on this side, too.
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できあがり！下の小さなあなから、ふーっと息をふきこむと、四角いふうせんにふくらみます。
Finished! Blow gently into the small hole at the bottom. The balloon puffs up into a cube!
How to play
手のひらで、ポン、ポンとやさしくついて遊びましょう。何回つづけられるかな？
Tap it up into the air with your palm, again and again. How many times can you keep it up?
Fun fact
英語では「ウォーターボム（水ばくだん）」とも呼ばれます。風船の基本形の名前も、ここから来ています。
In English it is also called the "waterbomb". The waterbomb base gets its name from this model.
Origami English in this model
❓ FAQ
- What age is this origami Paper Balloon for?
- About Age 7+. It is rated “Medium” (level 3 of 5), with 15 steps, and takes about 10 minutes.
- What paper do I need?
- One sheet of square origami paper (15 cm / 6 in). No scissors or glue are needed.
- What is it called in Japanese?
- In Japanese it is “かみふうせん” (紙風船). The word origami (折り紙) itself means “folding paper”: ori = fold, kami = paper.
- Can I print the instructions?
- Yes. “Print the diagram” puts every step on one page (or a PDF), and the practice sheet has the crease lines printed on the paper. Free for home and classroom use.
