![Handmade Christmas Card With Silver Conductive Ink Invites Recipients To Light Up The Tree Design [Video]](http://www.psfk.com/wp-content/uploads/2011/12/conductive-cards.jpg?fedaf9)
Handmade Christmas Card With Silver Conductive Ink Invites Recipients To Light Up The Tree Design [Video]
Dentsu London has been making Christmas cards for the festive season inspired by the University of Illinois’ experiments with making silver conductive ink. The advertising agency used a conductive ink pen, a watch battery and surface-mounted electronic components to create a self-contained circuit on the card. Lights appear on the Christmas tree when you press the circles at the bottom of the design.
![Handmade Christmas Card With Silver Conductive Ink Invites Recipients To Light Up The Tree Design [Video]](http://www.psfk.com/wp-content/uploads/2011/12/conductive-cards2.jpg?fedaf9)
Check out the video below that shows the team creating the Christmas cards and people’s reactions when they try them out:
Recent Articles By Emma Hutchings 
Emma Hutchings is a daily contributor to PSFK. Emma is a Film Studies graduate, freelance writer, movie reviewer and blogger from the UK. Her favorite topics are gadgets, design, gaming, tv & film.
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