Promotional value expires Nov 20, 2017. Amount paid never expires. Limit 1 per person, may buy 1 additional as gift. Valid only for option purchased. Must use promotional value in 1 visit. Not valid for special events, during annual closure (October 23-30, 2017) or during any day that the Museum is closed for special event set up. Cannot be redeemed for cash or gift cards. Not valid on prior purchases. Voucher cannot be combined or used in conjunction with any other offer, coupon or promotion. Not valid in combination with promo codes. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings