Samaritan's Purse has suggested items of the month for packing Operation Christmas Child, and for February it is accessories...like jewelry, watches, hair bows, etc. These are fun extras to add to a box. They often don't take up much room, so can be a fun way to add more items in the limited space of a shoebox!
Accessories can be on the more practical side-sunglasses, watches, headbands to keep hair out of the way or toward the more fun side like jewelry. As a child accessories can make one feel special and cool! You could also send kits for girls to make their own jewelry! One way to be able to afford to send more is to split up multi-packs, find items on clearance, or craft your own! Here's a tutorial for a fun way to crochet a cute hair scrunchy: