Homemade Trail Mix: Kids will go crazy for this completely customizable snack. Start with your child's favorite type of nut and dried fruit. Peanuts, almonds and walnuts are great picks, and raisins and dried apricots, berries and apples make sweet additions. Depending on your child's tastes, popcorn, sunflower seeds and pretzels make savory add-ins, or you could sprinkle in small, portion-controlled servings of honey-sweetened cereal, chocolate chips or other sweet snacks. This can be a filling, calorie-dense nosh, so teach your kids to scoop out a quarter- or half-cup for their afternoon snack.