Superhero Utility Belt & Mask. Complete your childrens superhero look with the superhero utility belt and mask. Encourage their imagination by creating this fun kids sewing project. With this free sewing pattern for kids by Maureen Wilson, making their superhero dreams come true is a breeze. Youll be hard pressed to find a child who doesnt want to save the world in this special costume. You can watch a video tutorial for these projects at the bottom of this page.