Easy Diy Elsa Costume . I have never made a garment before, but it turned out well! Followed the directions on the dylon dye ( mixed it with 4 cups of warm water to dissolve. Fluene's Corner DIY Queen Elsa's Costume from fluene.blogspot.com Diy elsa dress for under $20 from adventures in wunderland. My daughter watches frozen 2 every week, and we are planning a disney trip so an diy elsa dress was needed. I’m working on their costumes for this year and can’t wait to share the finished product.