The Lancaster County Fossil and Mineral Club will host its annual Christmas in July Extravaganza on Saturday, July 22, from 9 a.m. to 5 p.m. and on Sunday, July 23, from 10 a.m. to 5 p.m. at the Lancaster Farm and Home Center, 1383 Arcadia Road, Lancaster.

Featured will be more than 100 tables filled with specimens of fossils, minerals and crystals to peruse or purchase. There will also be an Adventures in Geology learning room where interactive displays will teach children about geology, and a trip into a big makeshift mine will allow them to use flashlights to find their own treasures. Hot food will be provided by the Paradise Township Lions Club.

Proceeds will benefits three nonprofit groups: the Lancaster County Fossil and Mineral Club, which teaches geology up to 100 hours free per year in local schools; the Paradise Township Lions Club; and the Farm and Home Center.

Separate admission costs have been set for adults and for students in kindergarten through 12th grade, with children age 5 and under admitted for free. All tickets purchased on July 22 are also good for July 23.