_http://www.designnews.com/author.asp?section_id=1362&doc_id=253407&cid=NL_Newsletters+-+DN+Daily&dfpPParams=htid_66,bid_30,aid_253407&dfpLayout=blog_
This is a 7 minute long video about a lego 'contraption' built by someone with lots of free time (600 hours!). You have to see it to believe it. Some of the modules are repeated, but the balls keep going round and round....
