That was the easy part. Fresh fruit or the small boxes of raisins are always healthy choices. If your child will eat raw vegetables, try packing some for his lunch. How about a small zip-lock bag full of pretzels or baked potato chips. These are available in snack-size bags at some of the discount warehouses.
Cookies are another good choice for packed lunches.
If you don't have time for the homemade cookie recipes below, there are some healthy choices you can buy. Newtons, ginger snaps, graham crackers, and low fat vanilla wafers are good lunch box desserts. The healthiest beverage choice, of course, is milk. These cookie recipes are right out of a regular cookbook. They haven't been rehabbed to lower the fat - they were already low.