My t gave me an assignment and I'm up to 20... and there's no specifics involved so it makes it harder. But here's the 20 that I have come up with.... more to come, and add your own.
1. Read a fictional novel
2. Play a game on my phone
3. Listen to music
4. Exercise
5. Play an instrument
6. Watch a movie
7. Leave the room
8. Put a puzzle together
9. Journal
10. Blog
11. Cook
12. Make a snowflake, crochet
13. Work on ear training
14. Use Calm, a meditation app
15. Draw
16. Call a friend
17. Get on Facebook, chat
18. Eat something mindfully
19. Clean
20. Go for a drive

The List continues...
21. Listen to an audio book
22. Visualization
23. Talk a walk
24. Window shop
25. Dance
26. Take pictures
27. Study a topic of interest
28. Write a fictional story
29. Eat chocolate
30. What are you grateful for List