Come and have fun building future windpumps, wildlife and wetland artefacts with Lego as the Building Bricks Wetland Workshop takes place at Wicken Fen Nature Reserve this half term. It is suitable for all ages, and under-fours go free. A National Trust spokesperson said: “This week is both half term and Cambridge Nature Festival and at Wicken Fen we’re celebrating with a variety of different events for all ages to get involved with. “One of the highlights is our Building Bricks Wetland Workshop on Thursday. Everyone is invited to come along and create a model of wildlife – either bird, insect…