Lovely!
They all grow to different sizes and can weigh over 5 - 6kg.
Free range, dogs bed and castle sound great. Make sure he has unlimited fresh hay to eat and a good quality rabbit food. The hay is very important as it should be the majority of his diet, about 80%. The food is up to you and depends where you live in the world as all the brands are different. A pellets is usually recommended as it stops selective feeding. He can have more food while he's growing the when he's an adult you can reduce it down to a small bowl a day and mostly hay. :wave: