Paper can be grabbed from the office, and decorated with gel pens, markers, dot stickers, or stamps. Flat-fold gift wrap is generally less expensive.
Color is Key.
Longer than the roll is. These can be excellent take-home party favors, as fancy or easy as you desire. Or tie just one Red balloon to the basket, and place the basket near the door. Those are full of a variety of items, silly and cheap. Some candies are good no matter what the age of the recipient.