Facilitator for a meeting in the UK

We are would like to organise a team building activity (2-3 hours) in the afternoon of either 13/03 or 14/03 in Hartwell House in Buckinghamshire.

What we are after this time, is an event that will make the team work out a different ways of doing things / working out innovative solutions e.i. solving a problem, doing the normal activity in an unusual day, thinking out of the box). We think the Lego workshop would fit the purpose