I loved going here as a boy and just went again with my own kids (and parents). It's a charming, densely-packed museum with cars from early Canadian manufacturers, as well as other interesting cars, mostly 1890s to 1960s. The place is obviously run on a shoestring from an ordinary strefront in Oshawa and is about as far from a public sector facility in a 100M Daniel Libeskind-designed barnacle as it is possible to get.

They have a circa-1930 car with a child seat that just sticks out over the road by the rear wheel (no seatbelt, of course), an amphibious German car from the 60s, one of Lady Eaton's Rolls Royces, and a truly insane-looking, of-its-time Magna prototype from the 90s.

Lots of families with happy kids came through while we were there, and the whole experience was heartwarming for me.

The only downside is that they clearly don't have enough space to show all of their donations, so some cars are behind others and can't really be seen (and one seemed to be stored in the elevator), and they don't have enough space to really protect the cars from visitors either (some signs and ropes pretty much touch the vehicles).

Worth making the trip from Toronto if you have a couple of hours.