If you have a preschool aged child or children at home and you’ve been on the lookout for a few good do-it-yourself Halloween costume, you’re in the right place. All you’ll need to create a great homemade Halloween costume for your preschooler is the right idea for your child and a few crafts supplies you probably already have lying around. DIY Halloween costumes are quick, easy and a great way to both show off your parental artistic skills and wrap your preschooler in a unique look on Halloween.