Think of any object.
List as many Functions you can think of the Object can perform.
The Function can be a Process, Abstract or Mechanical Utility.
Now create a Flowchart or a MindMap listing all of the attributes for enabling each Function.
Now try to add / replace / substitute / Combine attributes to see if a new Function can be attainted.
Draw the Form of the Object with its attributes.
Tools: Paper and pens
Participants: Solo or groups of any size
Time: 15-30 minutes + extra for presenting