Cindy Young, crafty mom and founder of green parenting blog One Part Sunshine entered this adorable DIY robot costume in our Green Halloween Costume Contest last year. "I was so excited when my 4-year-old son announced that he wanted to be a robot for Halloween," Young told us. She thought it would be an easy DIY costume to put together and her son helped every step of the way making it even easier and more fun. Read on to find out how she did it. Then, enter your own DIY costume creation in our 2011 Green Halloween Costume Contest.