by Jennifer Sammons and Cheryl Crosby
• Thanksgiving Celebrations. Celebrate the harvest with the food and traditions of the Pilgrims and early New England settlers at Plimoth Plantation and Old Sturbridge Village. Plimoth Plantation, 137 Warren Ave., Plymouth; plimoth.org. Old Sturbridge Village, 1 Old Sturbridge Village Road, Sturbridge; osv.org.
• Friday After Thanksgiving (F.A.T.) Chain Reaction. Nov. 28. Teams build Rube Goldberg-style contraptions and hook them all together for a mega chain reaction. Build your own or just come watch the hijinks. Rockwell Cage Gymnasium, Massachusetts Institute of Technology, 120 Vassar St., Cambridge, 617-253-5927; museum.mit.edu.