1. Contextual Challenge (the problem that needs solving)

 

During the a hot Summers day while you are working at your desk, you may start to feel hot. Some cool air may help to lower your body temperature and allow your to concentrate more.

2. Specification (the list of criteria than needs to be completed to solve the problem)

Must

Should

Could

Be able to blow air in a designated direction. Use a personal colour fan blade Be personalised to suit the environment it will be placed in.
Be able to control the speed of the fan Be stable to prevent it falling over. Produce your own personalised fan blade.
Be able to replace the battery easily.    
Be able to be turned on and off.