Sinclair ZX80 / ZX81 / Z88 Forums

Discussion forums for users of the Sinclair 8-bit range of computers - ZX80, ZX81, ZX Spectrum, Z88, clones...
https://sinclairzxworld.com/

Someone sell Lambda Colour Pack

https://sinclairzxworld.com/viewtopic.php?f=8&t=4608