Orange Bomb
A client once told us that their orange juice was the best and made from only 100% oranges. They mentioned to prove this theory we should leave a small bottle in the sun for a week and it would expand to 3 or 4 times it's size. It would then explode.
Here's what happend after 7 days when we lobbed it out of the Spitfire studio 2nd story window as the CEO was approaching.