At this yearly event, sponsored by the Madison Gem & Mineral Club, attendees can watch as arrowheads are made and all there is to know about flintknapping and rock carving. More than a dozen vendors will be present to feature jewelry, fossils, rock specimens, beads and much more. Admission is $2.00 for adults, kids 12 & under are free. Visit www.alliantenergycenter.com for more information.