From Roman troughs to chamber pots, toilets have totally transformed! Come experiment with flushability and get a glimpse into the history of toilets at the WET Science Center in Olympia Saturday, May 10, 2025 10am-4pm. At 1pm, take a free tour of LOTT’s Budd Inlet Treatment Plant and learn what happens to wastewater after it’s flushed. Tour participants must be 10 or older and wear closed-toe, closed-heel shoes.