I have been sent this and thought I would share it as it is a family ticket offer for a new show seems it is for 2 adults and 2 Children for 6 Mondays of the school holidays at West End Cambridge theatre (where Matilda is evidently) for £80 for the whole family https://booking.lwtheatres.co.uk/event/874e530e-0bc4-ed11-842c-9000f0e65ce7?promo=feudfamily