What's wrong with this box?

[Brucio]

The other side of this box is identical to this side.
So what's wrong with it?

A hinge on every side!
Surely the lid can't open, if it's held on by four hinges?
Well, yes.
This one can.
See it in action here:
http://www.youtube.com/watch?v=nD1kKyBj4_k
Bruce

 

[PowerTool]

Videos now as well ; very impressed 8)

Andrew

 

[chipchaser]

Very clever, I like it

Graham

 

[Geoffrey]

Hi Bruce very clever box brill video to. 8)

Geoff