| First unresponsive yo-yo? | 7 | 1552 | April 29, 2010 | 
          
            | What was the first non responsive yoyo ever? | 6 | 4648 | March 8, 2014 | 
          
            | what all has changed? | 19 | 3226 | June 12, 2009 | 
          
            | Some yoyo innovation questions | 3 | 448 | June 9, 2015 | 
          
            | Who "invented" the production un-responsive yoyo? | 14 | 4825 | August 30, 2012 |