One of LEGO's newest Harry Potter sets is a must-own for fans of the films, books, building blocks, and the Weasleys!

I love it. 2. Do your research for the Lego you wish to sell. Lego holds its value quite well, and some pieces are rare, but ...

There is nothing quite like the exciting sound of tipping a box of Lego out to start a build, says Jasmine Sleigh.