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Think of a Number
Apr 12, 1978 30 min avg S3 E1
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Description
tvFamilyKids
A light-hearted exploration of maths and science, presented by Johnny Ball.
Episode 1Wheels Within Wheels
The first of six programmes with Johnny Ball. Round wheels, not-so-round wheels, oval wheels, big wheels, little wheels; and a chance to see how you can go backwards while going forwards! Plus an eccentric bike and the newest engine that goes straight round the world. Meanwhile, see if you can get around to solving this one. Cut up a circle into 22 parts using only six straight lines.
