I so wanted the Polaris submarine you could buy...
Hahahaha...then a few years ago, thanks to the Internet, I found out it looked like this:
The cool thing is...something like that completely harnesses the imaginative power of the human brain in a little boy, and I would have probably lived in it until I left it out in the rain and it would have turned into a pile of pulp...:)
When I lived in Japan as a 10 year old kid, there was the old fuselage of a real Catalina flying boat in a playground. Nothing in it...not even seats or anything. But I spent HOURS in that thing. Heh, nowadays, parents would be horrified, all the sharp metal edges, places to get hurt. Never mind it was a instrument of WAR!
I am glad I didn't have video games as a kid, because I would have been absolutely addicted. Absolutely. Not a doubt.