Here is something you can challenge your mates to do: can you step through a postcard?
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If you want to look really clever then you can challenge your mates to the postcard test!
Give them a postcard and a pair of scissors and see if they can work out how to step through the postcard.
Seems impossible? Not if you know how!
To do this challenge all you'll need is a postcard and a pair of scissors.
Instructions:
Read more: Steps 5 - 8 »
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