Do you still have old DM-Pfennige? Centimes? Something similar? Then you can also make such a chic penny flooring!
By the way, you can also use Euro and Dollar cents ;-)
If you still need your money, you can also make yourself a brown paper bag flooring ;-)
Links:
Penny Flooring (Heads Up)
via: Shower Floor Made Out Of 5382 Pennies
Here at unikatissima:
Brown Paper Bag Flooring