https://www.ebay.com/itm/New-Sinclair-ZX81-Computer-Kit/174381403232?hash=item2899f10c60:g:iAEAAOSwM2ddmiNo#viTabs_0
Damn I'd like one, but not that much.
I have a Timex with ram expansion and hi-res mod.
Cute little machine with some great games.
I hate the keyboard though and many games have different layout so making a joy adapter is useless.
Well I've got one myself, of course, the thing is this is the kit version...