Clever build. Its a modified design of existing flat pack picnic tables that you can build from 1 3/4 inch plywood sheet. A nice addition would be to include a way to tie it together for transport.
http://www.instructables.com/id/Flat-Pack-Picnic-Table-From-1-Sheet-of-Plywood/?ALLSTEPS
You can add some flat pack stools (below) to this build too for the ends
http://www.instructables.com/id/Simple-knock-down-stool-made-from-plywood-flat-pa/