At the time my kids were late teens, so they used their own money to create their small "console museum".
Added plus is that godparents and grandparents don't need to think what to get as gifts. Grandparents are a bit clueless about the matter, but godparents are knowledgeable and are aware of the state of the collection.
I seem to have made my kids purists. They think emulators are cancer and that you must have the actual console for authentic exprience.
For just in case I made them a retropi with shit-ton of roms.
Safe so far.