Sir: If parents cannot resist buying the Barcode Battler described in an article today ('Teachers 'swipe' at bar code game', 5 May), those who consequently face 'intolerable pressure' from children to buy goods with valuable barcodes could photocopy sheets of those barcodes and distribute them to others so afflicted, either at cost or for a handy profit.
Very truly yours,
A. M. RASMUSSEN
London, W8
5 May
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