Promotional value expires Jun 16, 2017. Amount paid never expires. May be repurchased every 180 days. Registration required. Call 72-hours in advance with chosen class date to check for availability. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Valid only for option purchased. Merchant's standard cancellation policy applies (any fees not to exceed voucher 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