![](https://primary.jwwb.nl/public/z/y/j/temp-xmkodsvbynjnjxcgofbt/bricklink-logo.png)
Fox Brix started with selling 2nd hand Lego sets on the Bricklink website. Bricklink is a website where you can buy and sell new and used Lego. You can find almost everything Lego ever produced. And not only complete sets, but also single bricks. I still sell used Lego on my page on Bricklink.