bri·co·lage 
(brē′kō-läzh, brĭk′ō-)
(brē′kō-läzh, brĭk′ō-)n.
Something made or put together using whatever materials happen to be available: "Even the decor is a bricolage, a mix of this and that" (Los Angeles Times).
[French, from bricole, trifle, from Old French, catapult, from Old Italian briccola, of Germanic origin.]