[pthreads]

Loved it! I couldn't find any info on the case and keyboard though. Did he just reuse an old one? They did look to be in mint condition. No mention of those in the video either (or maybe I just missed it as I was skipping over some sections).

[rzzzt]

Replacements do exist both for the membrane as well as the rubber keys on top. The author lists it in the parts page under "Misc": https://www.lostretrotapes.com/zx-spectrum-issue-3b-parts-li...

[pthreads]

Thank you. I must have scrolled past it the first time around.