My dad was an engineer so had a few colleagues that built interesting things. One of them had built a life size Tardis in the lounge for his kids! I think I was about 6 at the time so it was genuinely amazing when it made noises and lights flashed etc.
Also remember my older brother programming games on the BBC B and them being reasonably good!
Have a distinct memory of early (for me) days on the web. Remember you could go into a website set up like a graphical gig with a blocky avatar, then walk up to people to chat and they would respond in different languages. That was a bit of an eye opener.