M&M’s Mars 3 Pack Tin: Snickers and M&M’s $2.89 @ Walgreens By admin | January 5, 2018 5:38 pm EST 0 Comment Walgreens has M&M’s Mars 3 Pack Tin: Snickers and M&M’s on sale for $2.89. You can also get Get 18% off $50 w/ EXTRA18.