Sinclair C5 "a delightful toy" "The Daily Telegraph" described it as "a cleverly-designed 'fun' machine that can hardly be regarded as serious, everyday all-weather transport", while "The Engineer" viewed it as "a smashing big boy's toy, tough enough to take teenage thrashing and possibly a serious vehicle for fit adults to nip out in for the Sunday papers". On the plus side, the C5's handling characteristics were praised by reviewers. "The Guardian" called it "very easy to master once you have become familiar with the under-thigh handlebar steering and the semi-recumbent driving position with feet on bicycle-type pedals." The "Daily Mirror" described
Clive Sinclair kit, the MK14, based on the National SC/MP chip. By July 1978, a personal computer project was under way. When Sinclair learned the NewBrain could not be sold at below £100 as he envisaged, he turned to a simpler computer. In May 1979 Jim Westwood started the ZX80 project at Science of Cambridge; it was launched in February 1980 at £79.95 in kit form and £99.95 ready-built. In November, Science of Cambridge was renamed Sinclair Computers Ltd. In March 1981, Sinclair Computers was renamed again as Sinclair Research Ltd and the Sinclair ZX81 was launched at £49.95 in kit form