ZX81
- TK 82 (ZX81 clone with ZX80 case)
- TK 82C (ZX81 clone with a smaller case)
- TK 83 (ZX81 clone, same case as original, but golden instead of black)
- TK 85 (ZX81 clone with the ZX Spectrum case)
Read more about this topic: List Of ZX80 And ZX81 Clones