DLTK's Crafts for Kids
First Aid Kit Craft
First Aid Kit Supplies

Here are some good things to include in your first aid kit.  Keep in mind WHERE you'll be hiking and with whom when you put your kit together.  For example, if you have someone with severe alergies to peanuts or bee stings, make sure you have an epi-pen.

The little boxes that kids craft kits come in these days are fun for the kids to decorate and fill with first aid supplies.  They're a great size.  (they look like little tiny suitcases)

You might also like to put some basic things in your kit, like kleenex, waterproof matches, chapstick, sunscreen, bug spray, etc (again depending on when and where you're going)
 

Simple craft idea: 

 

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