All events for National Marble Day Hunts 2021

Lake Superior Art Glass presents a scavenger hunt around Canal Park and the Duluth Lakewalk, where nearly $600 worth of marbles are hidden. Clues are announced throughout the day on lakesuperiorartglass.com and social media. The first hunt on May 29 -- Lake Superior Art Glass' ninth anniversary -- is a teaser hunt with one marble hidden, as is the second hunt on June 26. The big marble hunt is on July 23, when 15 marbles will be hidden. Those who…