Timer - 4 By Oscar D'Silva
http://www.dfrens.com You are seeing a contraption designed on the concept of a Rube Goldberg machine, and capable of measuring 20 seconds consistently. Half cut pipes were laid down on the ground and stones were used to slope the pipes and allow a ball t
Hey there — Never miss a must see moment from Oscar D'Silva
This video was taken
More videos from Oscar D'Silva