My brilliant wall-mounted Nerf-gun rack
(I almost put this on the other thread, but I'm so insanely proud of this that I want to make it stand out!)
I took a "4-sort divider" (a vertical plate rack) like this:
and mounted it on the side of the bookcase like this:
And stuck the smaller guns in it, like this!
You can see a few more pics at my Photobucket album.