Oh dear. I think we may have to invest in some of these. Elf-boy might decide to be spiderboy for this.
My first Shrinky Dinks were Spider-Man and Hulk, I believe :) Also had Spider-Man Halloween masks, t-shirts, stickers, bubble bath, vitamins (have to admit they weren't as good as Flintstones vitamins, though), electric toothbrush, clock, folders. . .
Maybe there will be LOTR ones, too! He can be both!