In this part of the project, you are going to try out different parts of your ideas to see what works and what doesn't work as well as you thought it would.
Mechanisms
Which one will be the best to use for the different parts of the book?
Materials
Do you always have to use card, or can other materials be used in some parts? What other materials can you use?
Colours
What colours and colour combinations produce the best results?
Fonts
Which font styles are the best to use?
Do the same ones have to be used in all parts of the book?
Analysis of your development work
During all of these steps, you have to think about what you are doing.