Dave Grohl | Foo Fighters Throne Questions

I’m thinking about trying to attempt a budget version of this for a costume this Halloween.

So far what I’ve gathered is that is could be made from a desk chair, make a wooden box to look like an amp case, and something for the leg support.

I’m not sure what to do about the back FF light up board, cheap guitar/bass necks, and the moving platform. I’m wondering if the more experienced builders could chime in with some ideas. This might be too lofty of a goal but it would be cool to accomplish.