25th annual Northeastern Open Atlatl Championship. Modified event. Competitors and visitors must call to pre-register: 802-759-2412 Event testing skills in accuracy and distance, using an atlatl–a spear thrower used around the world before the bow and arrow. Participate or watch. Archaeologist Charles Paquin demonstrates ancient skills, including making Woodland pottery. Starts at 10:30 am. Competitors–$7; visitors $5 (inc. museum admission).