Now that's a question, I've never thought about. It's not like packing for a long vacation; where you can take multi pieces of luggage on a domestic or international flight.
You are traveling for
11 minutes.........ELEVEN MINUTES IN SPACE!
What would you take to Space in your personal payload bag if you are limited to 3 lbs?
I've thought about it a lot and it's more difficult than you think. Of course, I will be taking photos of family and friends, especially the ones who are no longer here with us. My Buzz Lightyear figurine, and our SpaceKids Global challenge coins and flag as we claim another area for kids around the globe.
Now I'm up to 1.5 pounds......I'm still thinking