This ingenious tool shows you how plastic travels the world — When a freak storm overturned a cargo ship, one of the 62 containers contained 5 million pieces of Lego. Twenty-five years later, locals collect the Lego washing up on the beach — every day: Lego plastic flippers, Lego scuba gear, Lego spears, and tiny Lego lifejackets. Blue plastic octopuses in…