For the Koziołek: plum (Prunus domestica), pear (Pyrus communis), apple (Malus silvestris Miller), or (exceptionally) birch (Betula verrucosa Ehrh.); For the Przebierka (proper): plum (widely recognised as the best material), black locust (Robinia pseudoacacia), sour cherry (Prunus cerasus), apple, Indian ebony (Diospyros ebenum; In the surroundings of Jarocin and Krotoszyn), or (exceptionally) pear; For the Kolano: pear, birch, pine (Pinus sylvestris), and black locust; For the [drone stock]: plum, or (exceptionally) pear or birch; For the Skłodka: plum, black locust, or (exceptionally) pear or birch (Szczepan Kaczyński, his son Józef, and his pupil Stefan Lis used wild elder (Sambucus)); For the Kark and Deski of the bellows: black poplar (Populus nigra), [European/black] alder (Almus glutinosa Gærtn.), pear, birch, or beech (Fagus silvatica [sic; sylvatica]); For the Jabłko: plum, pear, apple, or cherry.