Depends how serious you want to be about this whole camping business…..
The Coleman stoves and lamps that Bob_Summers (and others) suggested above are absolutely the best kit you can get for “static” camping. I’ve used them for decades myself, and with groups of kids 8 – 21, who can be easily shown how to work them (under supervision for the younger ones, obviously). Changing the mantles can be a bit fiddly, but you have to do that so infrequently that it’s not really an issue. Both the stoves and lamps are completely bombproof – as you can imagine, have seen them dropped, kicked, and generally mistreated for years and years, but they just keep going. Spares are plentiful, and the fuel is universally available.
If you are going-in hard with the above, it’s worth getting the collapsible legs/stand for the stove, and the plastic box for transporting the lamp.
Having said all that – if you are just dipping your toe into camping, my advice would be to get some cheapy LED jobs from B&Q or wherever. They really cost no money these days, and are probably made in the same factory as more expensive camping-specific ones.