Shelf-stable soy milk
Various flavours of Pocky (ポッキー, pronounced roughly like "poke-key")
Laptop with $1.99 (+ tax) plug converter
Various books and manga
Charcoal filtering breathing mask
Book reading device (the kind that holds pages in place)
DVD-R of music
If you think you know the answer, try adding to the list, because I probably forgot something.