Whosoever holds this hammer, if he be worthy...
The head of the hammer is made out of two foam cubes glued together (I think the actual use for them is to help you stretch). The hilt is a wooden dowel wrapped in a belt that I got from Goodwill (pro tip: used belts from thrift stores are super cheap, $1–$3, and are great for any time you need a leather look). When I was making this, I had not yet gotten a belt sander, so in order to achieve the angled edges, my grandfather and I used his table saw to achieve the look. In the future, I may make the Mjöllnir used by Thor in the God of War games.