Einstein Bagels: FREE Bagel Poppers w/Drink PurchaseJune 29, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Don’t those bagel poppers above look yummy! Einstein Bros Bagels wants you to try them, so they’re offering a FREE order of bagel poppers with any drink purchase! This coupon expires on July 6th.