1. One top cover, one slatted board, three brood boxes, hive entrance box, hive entrance board, one hive entrance bottom board, one insertion board 2. Product size: Unit: mm Top cover: t=9, Outer dimensions 290 * 290 Slatted board: t=6, Dimensions 290 * 290 Three brood boxes: t=25, Dimensions 290 * 290 Hive entrance box: t=9, Dimensions 290 * 350 * 45 3. Product Features The 6mm slatted board under the top cover makes it easier for bees to build their nests and helps prevent Varroa mites. The brood boxes are equipped with double-coated wire to prevent the honeycomb from falling. The bottom of the hive entrance box has a wire mesh for summer heat対策, which also allows for the disposal of bee feces and fallen pollen, and helps prevent wax moths. The insertion board can be used effectively to adjust for heat and cold. The internal situation can be checked with a smartphone, etc., by lifting the hive entrance board. Also, the exterior is burned with a burner to prevent corrosion. A 5mm gap is provided between the hive entrance box and the first brood box to allow bees to enter and exit from four sides. Even if a hornet is at the entrance, the bees can still enter and exit from the back, so it is safe.