Want to introduce your kids to electronics? Ditch the circuit boards and go with that sticky staple of early childhood: Play-Doh. The off-the-shelf variety isn't conductive enough, but adding the right amount of salt and cream of tartar to your homemade version lets you create circuits, illuminate LEDs and even make motors spin.
By: Christina Bonnington, Edited by: Ian Steadman
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via Wired.co.uk
http://www.wired.co.uk/magazine/archive/2012/09/how-to/make-electric-play-doh
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