[015] My belongings

What do you need when you go a weekend trip?
Is there any special item you should bring?
These thing are my belongings for my 3 days.
Of course, it will be different depends on the location, season and travelling reason,

If I go somewhere outside London tomorrow for a day trip??
1. a sketchbook, pencils, a black pen
2. a MP3 player
3. a book
4. a digital camera
5. Chocolate
6. my mobile phone
And I hope I need a pair of sunglasses! :)