Expires 90 days after purchase. Limit 1 per 2 or 4 people and may buy 1 additional as a gift. Booking required by phone on 020 8560 8777, provide Groupon codes. Present printed Groupon on arrival. 24-hour cancellation policy. Under 18s must accompanied by an adult. Options 1 and 2 valid Mon-Thu all day, options 3 and 4 valid Fri-Sat from midday onwards. Valid on option purchased only. Verified using our merchant's website on 25 Mar 2017.