Did you ever buy that toy you wanted as a kid but didn't get?
I myself wanted one of those remote controlled air planes. I thought that's the coolest thing ever. Once I grew up and had the money, I never bought it.
I didn't buy it, but my wife got it for me as a Christmas present one year. The Lego Star Wars imperial star destroyer. It was gigantic and amazing and took maybe 8 hours of building. It would have taken meweeks as a child.