I was perusing one of the countless, mostly-garbage, toy catalogs that end up stuffed into my mailbox this time of year for gift ideas for my nieces, nephews, and son and stumbled across this:

http://www.mindware.com/p/Young-Architects/70196

It's a set of plexiglass walls with vinyl static-cling stickers meant to make three dimensional drafting models. Has anyone here bought or made something like this before? Is it a useable idea for mapping, or is it too clunky?