The museum houses a vast number of pieces of glassware produced by the Indiana Tumbler and Goblet Company in Greentown between 1894 and 1903. Over 2,000 pieces of glass are on display. Open seasonally from May 15 – October 31 Monday-Friday 10am-12pm & 1-4pm and Saturday-Sunday 1-4pm. Open Saturday-Sunday 1-4pm only from March 1 – May 15 and November 1-30. Admission is free. Group tours by appointment.