Sinclair C5 exactly this tack when he purchased Sinclair Vehicles' remaining stock, saying that his company would market them as "a sophisticated toy": "If you were a little boy, wouldn't you want your parents to get you one this Christmas?" His strategy was notably successful; Ellar sold nearly 7,000 C5s at up to £700 each, far more (and at a higher price) than Sinclair had ever managed. Some commentators attributed the C5's failure to problems with Sinclair's marketing strategy; only a year after the demise of Sinclair Vehicles, the "Globe and Mail" newspaper called it "one of the great marketing bombs of
Clive Sinclair left school at the age of 18 and instead he sold miniature electronic kits by mail order to the hobby market. Sinclair's Micro Kit was formalised in an exercise book dated 19 June 1958 three weeks before his A-levels. Sinclair drew a radio circuit, Model Mark I, with a components list: cost per set 9/11 (49½p), plus coloured wire and solder, nuts and bolts, plus celluloid chassis (drilled) for nine shillings (45p). Also in the book are advertisement rates for "Radio Constructor" (9d (3¾p)/word, minimum 6/- (30p)) and "Practical Wireless" (5/6 (27½p) per line or part line). Sinclair estimated producing