don't need a lawyer to know that.

Next year, maybe the boys can build a catapult to hurl pumpkins? A good science fair project.

http://www.popsci.com/history-strikes-back-roman-catapult-you-can-build-your-backyard

所有跟帖： 

• 明年还玩？ -怪哉- ♂ (183 bytes) () 11/02/2015 postreply 17:49:25

• come on, need to channel the energy not to block. -blackmatter- ♀ (188 bytes) () 11/02/2015 postreply 18:02:23

• 我昨天看到此人的帖子也在想，这砸南瓜跟MIT那种孩子的prank还真不在一个档次上。 -两小千金妈妈- ♀ (0 bytes) () 11/02/2015 postreply 21:32:57

• 没人愿意跟你一个档次 -怪哉- ♂ (33 bytes) () 11/03/2015 postreply 04:53:18