[0x457]

Lego was always expensive.

> many sets feel like display models than something you can play with.

That's because they are. There probably never been this many adults building lego than today.

> The Mindstorms/NXT line had huge potential but then just sort of fizzled out.

That's a small niche in today's world, a child is too young for arduino/feather/cyberbrick/whatever.