Every year I make my kids Halloween costumes out of cardboard. This build fulfilled my 4-yr-olds dream of becoming Optimus Prime, hero Transformer Autobot. Materials: cardboard boxes, paper rolls, hot glue, acrylic paint, spraypaint, velcro, elastic, and love.\r<br>\r<br>*This is not a detailed tutorial, but gives some insight into the process and final costume outcome.\r<br>\r<br>Related blog post here: \r<br>Follow our other adventures at : \r<br>\r<br>Music used: The Land Of The Wizard by Per Kiilstofte (\r<br>Licensed under Creative Commons Attribution 4.0 International (