days out (specifically 6/7 Dec) London, beds, bucks, Hertfordshire, Northamptonshire

[Loobylou3]

looking for a family day out on 6/7 Dec. 3 of us me, dh and dd (5). not meeting santa as have that planned the following weekend. Any recommendations or ideas appreciated.
thanks

stanwick lakes in the nene valley, santa will be there but can avoid from all accounts on their site.

ice skating?

Paddington Trail in London. On until the end of December.

thanks. ..or Oxfordshire.