I used to have a real one of these! With different sizes and shapes of cog and different coloured pens.
Wow. Blast from the past!
There are, it has been said, two types of people in the world. There are those who, when presented with a glass that is exactly half full, say: 'This glass is half full'. And then there are those who say: 'This glass is half empty'.
The world belongs, however, to those who can look at the glass and say: 'What's up with this glass? Excuse me? Excuse me? This is my glass? I don't think so. My glass was full! And it was a bigger glass!