April 24, 2012 No Comments FREE Snack Size Combos at Thorntons Print out the coupon and redeem for FREE Snack Size Combos at Thorntons stores. Coupon valid thru April 24-30, 2012. Locations. FREE Snack Size Combos at Thorntons -EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.