@CornerCutter is selling lubed, magnetic LingAo clocks on his website for $45. He is also selling a DIY kit for $15 here. Shipping is free to US, but for extra it can be shipped overnight. I haven't bought one personally, but I've only heard good reviews on them.
Hey, I don't know if you are still interested but I am selling a repairable magnetic clock. One ring fell off but it is currently stacked on another ring for safekeeping. it is also missing 4 discs so that might require a bit of shopping. I'll sell it to you for 30 dollars USD.
Sorry to disappoint, I ended up buying mine in Late December/Early Janurary. I have competed with it official before COVID-19. Good luck trying to sell yours.