http://www.greenergadgets.com/index.php/design-competition/
Designed by Jill Fehrenbacher, this one of a kind piggy bank not only teaches children to save their allowance, but to also conserve energy!
Children using this piggy bank would need to drop a coin in the Power-Piggy to activate electricity flow, so that they can use their allowance to turn on the TV or video games.
The concept of this design in definitely clever, however it might not be so effective once the child realizing all they have to do is unplug the power hog and turn on the tv that way.
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