Quickly tend to injuries during your vacation with these compact first-aid kits As we approach the summer, many people are planning for or preparing to take vacations. Whether traveling by car, train, plane or boat, unexpected accidents can happen, especially if you have children. You can quickly treat minor cuts, sprains, burns and other injuries that are not life-threatening with a first-aid kit. You might have a first-aid kit at home, but it’s probably too large to fit in a carry-on or a handbag.