Lego Relay Game
Lego - with pairs of pieces exactly the same.
Lego relay - on the table at one end of the hall there is a small model, on the table where they line up there are all the pieces they need to create the model. One at a time they run up and look at the model and come back and place 1 piece of lego. Keep going until they think they have finished and they sit down, a leader then quickly checks the model and telss them if it is right. The leader removes any wrongly placed pieces and the children carry on until it is right. First team with the completed correct model wins.