Geary County 4H members are participating in the 48 Hours of Service Challenge this weekend.

Some of the remaining activities include volunteering at Milford Nature Center tonight as trail guides for the Monster Myths by Moonlight program from 5 p.m. to 9 p.m., and volunteering at Valley View Senior Life to play games with residents on Sunday, Oct. 12 from 2 p.m. to 4 p.m.