If it's a male he may be aggressive, so you will need to neuter him within the first year or he may attack you, the kids or anyone he feels like attacking.
When you first get your mini lop rabbit you will think he's the cutest bunny in the world, and you will want to hold and pet him just like any other pet. However, a mini lop not like any other pet. It's a rabbit, which has a tendency to be independent, kind of like a cat.