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18 March 2004 1544 GMT
Graphic: Take the postcard challenge - can you step through it?
Picture: James and the postcard
James Piercy from the Inspire Hands-on Science Centre shows you the postcard challenge

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!

Picture: postcard and scissors
All you need is a postcard and scissors

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.


Picture: Fold the postcard in half Step 1
Fold the postcard in half length-ways.
Step 2
Cut a slit into the folded edge, until you are about 1cm from the end.
Picture: cut a slit into it
Picture: Cut more slits into the card Step 3
Do this again all the way along the postcard until you reach the end.
Step 4
Now turn the card around and do the same on the other side.
Picture: Turn the card around and do the same again


Read more: Steps 5 - 8 »


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