Multipurpose Queen Castle, standard 10 frame medium hive body with dividers to make it into 3 - 3 frame sections. Has entrances for three side compartments and double screen bottom board with 3 jar feeder holes. Instead of killing that queen cell you find in a hive, put the whole frame, nurse bees and all, in the castle along with a frame of honey. Two or three weeks later you should have a mated queen ready to go.