>>2726209First aid kits. More water or a filter. Focus on how you will sleep. Consider hammocks, sleeping pads, sleeping bags, and cots. Consider how you will store your food to be safe from insects and woodland critters. Bring battery packs to charge your phones, but also a book or frisbee for entertainment without batteries. If you are making a campfire consider a silky saw for processing firewood. Consider a radio for ambiance or weather broadcasts.