Promotional value expires May 22, 2013. Amount paid never expires. Limit 1 per person, may buy 1 additional as a gift. Must activate by expiration date on your Groupon, 1 month option expires 1 month from activation date. 10-class option valid until Groupon expiration date. Valid only for option purchased. Registration required; subject to availability. Valid only for non-members. Must sign waiver. Classes must be used by the same person. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings