I ended up taking a canvas board, and gluing the paint chips and metropass squares on the canvas board to start, in what I feel is a pleasing, rainbow-like pattern:)
While I was working on this, the boy made some good suggestions about things to add to this to make the link between the transit passes in the mosaic clear--the one I liked the best was the idea to layer a Toronto map over top of the top of the mosaic I made.
I had some old maps lying around, so I cut this shape out of an old Toronto map I had lying around, and glued it on over top of my mosaic, and the used Modge Podge over the whole thing, after the map got a bit bubbly.
Here's the finished product:
What do you think? I feel it should be called something like "Heart of Toronto :)