A Tribute to
Union Square Innovation

What the Fluff? A Tribute to Union Square Innovation is a madcap festival honoring the invention of Marshmallow Fluff, returning for its 20th year to the delight of Fluff enthusiasts from Greater Boston and beyond.

Bow Market will be BUZZING with Fluff celebrations!! SO many Fluff Specials and activities.

It celebrates Somerville’s proud tradition of innovation with live music, fluffalicious feasts, sticky games, zany happenings, and much more.

Think you’ve got the right stuff for Fluff? Join in for all the sticky fun