MONROE - Badger Lapidary and Geological Society will be holding the 46th annual rock, gem, mineral and fossil show from 9 a.m. to 4 p.m. April 9 and 10 at Monroe High School, 1600 26th St., Monroe. There will be 10 dealers, speakers, club displays, lapidary demonstrations, a club sales table, hourly door prizes and educational films. Activities for children will include a fishpond, spinner game, scavenger hunt, quarry quest, rock polishing and roving rock wizard.