Validity: Expires 4 months after purchase. (Excludes bank holidays) Purchase: Limit 1 per person. May buy 2 additional as gifts. Booking: No booking required. Present Groupon voucher on arrival. 24-hour cancellation policy. Restrictions: Valid Mon-Fri 6.30am-9.00pm, Sat-Sun 8am-5pm. Must be 18 or older. New customers only. Valid for 10 sessions only. Customers can view class timetables on website http://www.f4l.com/