Fine Print Must mention or enter code TBT16 at time of purchase. Discount is valid only off of full-priced admission rates. Not valid with other discounts, offers, or group rates. Restrictions may apply. Upgrade packages, tax, gratuity and applicable fees are additional. Valid only at the Chicago location on Thursdays only through 10/27/16 Coupons may not be combined with any other offer. Must present coupon at time of purchase. Coupon void if altered.