Einstein Bros. Bagels: Free Bagel Poppers with Beverage Purchase February 14, 2010 at 8:38 am By coupongeek This freebie looks so yummy! Free Bagel Poppers with Beverage Purchase at Einstein Bros. Bagels Printable Coupon Thanks for sharing, Good Deal Mama! Coupon is good through February 23rd, 2010. Einstein Bros Bagels Store Locator. Don’t forget about the other Einstein Bros. Bagels Twisted Sandwich Coupon that I posted HERE that’s good through February 16th, 2010.