Single nucleus for three frames 1/6 (145x145) from Dadan-Blatt frames (435x300). Size (over the roof) 28.5 cm - length, 21 cm - width, 21 cm - height (with the roof on). The nucleus is intended for exit, maturation and
flying of queen bees. It is made of highly heat-insulating foam plastic material (polystyrene foam) with a high density of 120 kg/m3. Equipped with two vents, in the front wall and in the bottom. Letok in the bottom (when the nucleus is standing on the plane) has the appearance of a labyrinth and prevents the looting of a small family. The feeding compartment accommodates two ordinary plastic cups (180-200 ml) and is separated from the nest by a Hahnemann grid to prevent the uterus from falling into it. The bottom is also equipped with a mesh ventilation hole made of stainless steel.