15 Rolling Ball Sculptures In ActionAs you know, the allure of Rube Goldberg-style contraptions is well documented. There is just something captivating about watching a ball make its way down a complicated track. If you agree, than you will certainly find something to enjoy in OObjects list of 15 rolling ball sculpture videos. It features everything from commercial kits to a 70 foot tall Energy Machine in the Hong Kong Science Museum. [OObject]