the original bus tours !

I have 2 adult and 2 kids Tickets for thr original buses tour passes for 48 hrs of hop on hop off bus tour tickets including thames water tour and walking tours usualy £68 for just 24 hrs but want £50 ono for 48hrs but only valid for on and untill 31st march 2012. will send same day delivery if possible or next day if not local will except paypal only selling as kids unwell and unable to go.