The Pop Up Shops in downtown Warsaw are having an open house Saturday from 10 a.m. to 4 p.m. The three seasonal shops, which are open through the end of the month, are located at 215 S. Lake St. During the open house, Denny House will be serving free refreshments including Blue Lion coffee, homemade bread and homemade jams. Indiana Urban Lumber will give a free bag of parched corn with every purchase, and always have one “special of the day” at 50 percent off. Shanghai Tai will offer free ring cleaning and a one-day sale of 15 percent off your entire purchase. Regular hours for the Pop-Ups are 10 a.m. to 6 p.m. Monday-Saturday, and noon to 6 p.m. Sunday.