This is a shared workspace building, especially for magic scientists and professors. So many Laboratories here.They are witch and wizard.
They mainly come from the sky by brooms, so there are entrance on the top floor too. People visit this building can call them by pulling rope by the 1st floor's entrance door. They connect to each room's bell.
Also, building office is on the top, an officer is working here. He manage things of this building. When he catch call for someone in one of this building, he can call them by magical phone. It looks like small trumpet connect to every room.
They mainly come from the sky by brooms, so there are entrance on the top floor too. People visit this building can call them by pulling rope by the 1st floor's entrance door. They connect to each room's bell.
Also, building office is on the top, an officer is working here. He manage things of this building. When he catch call for someone in one of this building, he can call them by magical phone. It looks like small trumpet connect to every room.