Handy for taking on short day or weekend trips. Xeroxed or copied over. Trust us, you'll want these. Laundry Soap - a few travel packets Musical Instruments. If you play an instrument, you might want to think about taking it along.
Music is a great way of making new friends.
Your instrument should be properly insured and safeguarded for travel in a very sturdy, hard-surfaced case. Instruments can sometimes be rented in your host country. Paperback books to read and exchange. Also another way to make new friends. If you are planning to stay at Youth Hostels, see the section on Getting There and Getting Around for information on required bed sheets.