I just setup an Elegoo Centauri Carbon yesterday. At $300 USD, it’s a lot of printer for the cost.
I’ve also built printers which is a different beast. If you think your son would enjoy assembling a kit, then there are several great options within your price range. The Voron line of open source printers is where I’d look.
It’s hard to go wrong with a Prusa, but I have a lot harder time justifying their prices these days. I had a MK3S for 5.5 years that served me well.





We will never be able to repay them for this vigilance