I recently met up with a good friend whose boyfriend was very into polaroids. I always had the impression that polaroids were the same as instaxes but had this misconception roundly thrown into the bin. He showed us his polaroid cameras (and how to use them) and they were fascinating.
To learn more about polaroids, we headed to the National Museum. It costs $12.50 for adults (Singapore citizens and PRs)- more price categories available at the link...