What cheap object could stand for the theme, 'Be yourself'?

I have this school project and I need to find a cheap object for the theme of my book. The theme happens to be, 'Be yourself'. I have no idead what the object could be. That's where you come in. Any ideas?What cheap object could stand for the theme, 'Be yourself'?
A diary - kept up to date. The only words that get in there are your own.What cheap object could stand for the theme, 'Be yourself'?
Hmmm, A Pencil or pen (and paper if allowed to include another item) Why not a keyboard and monitor? because your influenced I believe by the internet and outside sources, when you write- You write from IN your mind ... you use your own hand to draw letters which vary by culure but in every form of writing I believe we express who we are... the real us....
A bobble head doll
a mirror...maybe one of the tiny bathroom mirrors.
makeup.? wet and wild is the cheapest i believe and u can be yourself with makeup