Give each Six a picture of a famous landmark Give them time to look to see how it was constructed. . After the 5 mins give each Six a couple of packets of cheap plain biscuits, some made up icing (the glue) and get them to construct their landmark. Give points for best model, team work, accuracy etc.
Sweets, chocolate drops, liquorice laces (optional) to add more decoration
Pictures of landmarks
Consruct the model with the biscuits