Kids go free in school holidays when booking a 2 night break to Legoland Windsor through Play and Stay. The breaks start from £206 which includes 2 days in the park and 2 nights stay at a family friendly hotel. Breaks during off peak dates are available from £134 per night.
In order to take advantage of this Kids go free offer it must be booked by July 14, 2011. You can save an extra 5% by booking via the Theme Park Tourist website.