If you're taking N I-95/128 to ME you can stop by the Craft Beer Cellar in Belmont, MA. They sell only craft beer including local, domestic, and imported beers; they also have some merch like glasses and shirts as well as ciders and lambic.
If you're taking RT-2 or I-495 you can stop by the Grape Vine in Boxborough, MA or Harvard, MA - they have a great selection of all types of beer.
15 Gallons of New England Hard Cider - Four yeasts: Ale yeast, two cider yeasts, and a champagne yeast.
Helliday Ale and Chocolate Nitro Stout