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Design milk cartons with a litmus strip that changes
colour depending on the freshness of the milk. A face
could be printed over the strip – turning green when the
milk is off.
Russell Tucker
42528January2003
Design a pair of car stereo speakers in the shape of two
dogs’ heads. As a relatively high tech update of the
classic nodding dogs found in the rear window of many
cars, the ‘woofer’ speakers could also be programmed
to nod along in time with the music being played.
David Owen
42629January2003
