Material needed: rectangle piece of paper, scale, pencil, scissors. Fig.1
Method:
On the rectangle piece of paper, draw lines as shown in the fig.2 Now Cut on these lines. Then, fold the paper as shown in fig 3, 4. Your paper helicopter is now ready. Drop it from a height and enjoy watching it twirl and swirl as it reaches the ground.
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| fig.1 |
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| fig.2 |
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| fig3 |
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| fig.4 |











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