1) I think my design is good because…It looks cool and it works. 

2) it involves strategy 

3) its good quality, in other words in going to take a really long time to brake. (lots of hot glue :p)  

 1) One problem it has is that it’s sometimes hard to get the ball into one of the cups. But sometimes you need a good challenge!  

 2) Another problem is that the ping pong ball isn’t bouncy enough 

3) the bottom pice  of card board is not quite big enough, so I had to make some changes it doesn’t look perfect (it still works ;D)