Optical Illusion Card

Paper Engineering Challenge No.4

So we admit this does need a little more than just paper and card.  This is a neat way of using the power stored in an elastic band once its twisted out of shape.  When released a quick burst of energy creates movement.  So here is a card to make with a mechanism to boot.  This is just an idea, so we hope that you change the design to suit you!

Play the slideshow below for instructions.  Remember to click the full screen icon at the bottom and pause and play to read a slide at a time!

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