Monday, 29 August 2016

Dr Who 'Key to time Tracer'
The Fourth Dr used this to find the segments of the key to time.
This replica has an aluminium handle with the correct 'buttons' and the 4 different sizes of clear tubing with the outer etched to give the gradient markers.
I could not find a touch button sensitive enough to make the whole of the tube light up when the button was squeezed, but managed to create one from a minute contact button.
Tiny watch batteries were fitted in a custom made holder which slides into the rear via the white end cap.

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