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| What | Yo-Yo | What | ||
| Who | Donald Ducan | Who | ||
| Where | United States | Where | ||
| When | 1920 | When | ||
| Why | The yo-yo is important because kids want to have fun with a popular toy. | Why | ||
| Researcher | Allison | Researcher | ||
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2008 -- © Sargent Park School 2008
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