Butane lighter or matches A butane lighter is my choice here. Any brand, any color. If you choose to use matches, you a waterproof container to keep them in. Be sure you do not buy safety matches. Regular, non-safety matches will light anywhere.
Safety matches require the striker on the box.
Most Scouts find that matches are better for lighting fires, lighters are better for lighting stoves. Scouts will not be allowed to use matches or lighters until they have taken and passed a fire safety course. Make sure these are unbreakable plastic. There are several types available. The least expensive is the type made of Ensolite closed cell foam.