This guy poured a little honey into a bottle, added some marbles and set it on its side on an inclined ramp. The result is that it rolls very slowly. This would be fun to show and have people guess how it's done.
This guy poured a little honey into a bottle, added some marbles and set it on its side on an inclined ramp. The result is that it rolls very slowly. This would be fun to show and have people guess how it's done.