I want one! It's a Kickstarter project from artist Rob Loukotka. Click the pic for more info (or to buy one).
From Kickstarter: "My name is Rob, and I'd like your help to create a giant poster of every product from the ACME Corporation. I watched every Coyote & Road Runner episode, then hand drew all 126 wacky gadgets, explosives, and items that appeared in the cartoons."