First unresponsive yo-yo?
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7
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1551
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April 29, 2010
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What was the first non responsive yoyo ever?
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6
|
4641
|
March 8, 2014
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what all has changed?
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19
|
3224
|
June 12, 2009
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Some yoyo innovation questions
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3
|
447
|
June 9, 2015
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Who "invented" the production un-responsive yoyo?
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14
|
4823
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August 30, 2012
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