Handwrite a letter to your friends and relatives
Keep a diary on your thoughts
Flick a cookbook open and cook the first thing your finger points at.
Go the library
But a book
READ it!
Visit all the tourist attractions you haven't visited since you weren't on a school excursion
Walk around Perth's different suburban parks
Do a jigsaw
Browse at 4 different second hand bookstores
Cycle
Visit Opp shops
I could go on...