These letters were inspired by a pin I saw on Pinterest. The original used miniature cars and was sold by a British company, it appears that they are no longer selling them though.
I purchased some inexpensive 16"x20" framed canvas and used a pencil and ruler to draw my letters. I then used craft paint to make my roads. I decided that I wanted it to look handmade, so the dashes are not all perfect and the ends of the road are not perfectly straight.
My older son chose 4 of his Hotwheel cars to be hot glued on his letter. Once he had them exactly where he wanted them, on the left side of the road following each other, I used hot glue to attach them to the canvas. I was worried they would be too heavy once I hung it on the wall, but we have had no trouble.
Since we already had the cars, the total cost of this project was $7! They look adorable in my boys' new room. I'm sure they will look even better once we paint the walls.