Promotional value expires 180 days after purchase. Amount paid never expires. Must be 18 or older. Appointment required, contact by phone at (773) 293-3110. Limit 3 per person(s), may buy 1 additional as gift(s). May be repurchased every 30 days. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings