While picking up a prescription at Target the other day, I came upon a 3-pack of wooden house silhouettes that looked about perfect for abstract games where forces don't need to go into the building.
They are $5 USD for the pack.
Here they are pictured with some Germans that I had to re-glue to their bases The widest building is just slightly wider than 4" which makes them suitable for just about any grid-based game I"m likely to run.
In the picture below, I've turned the building side-ways to illustrate how narrow they are - about 1.25"
Since the photos were taken, I've primed the buildings with the intention of giving them simple, toy-like painting.
They also had some pre-painted buildings in a similar style but sold individually. Although I love the ceramic light up buildings I got last year at Christmastime, they can't be tossed willynilly into the terrain bain like these slabs of wood can.
Anyone with a modicum of woodworking ability and appropriate tools could probably knock out a whole city rather easily. However, as I have neither, these will do!