Lego
By mansuetus on 2008-12-01 02:00:00
In 2009, there was an average number of 62 Lego bricks per human being on the planet.
Details :
Of course, we're counting every brick that has ever been manufactured by the company.
Lego – Lego Compay profile in pdf
Read an other one
Another source and an interesting presentation about building blocks