This class was level 5 (8-9 years old) http://www.thorpedenejuniors.co.uk/
We asked them to imagine that they would have to explain a friend, coming from another planet, how to use a Fork. I have to admit, we had a lot of fun.
Our brief sounded so French, that most of them have preferred dedicating the instructions to the foLk
After asking them to guess the weight, the size and the material of the fork, we suggested them to attribute the object a new function.