The title is not quite correct...during the recordings the young queens were already hatched and could be drawn directly and placed in the offshoots.
The book for the channel is available here:
https://www.michis-imkerladen.de/shop/imkerbuch/einraeumig-imkern-auf-zander/
Comb holder 22mm:
https://www.michis-imkerladen.de/shop/beutenzubehoer/wabenhalter-22mm/
Zander propolis grid:
https://www.michis-imkerladen.de/shop/beutenzubehoer/propolisgitter-zander/
Steam melter:
https://www.michis-imkerladen.de/shop/wachsbearbeitung/dampfwaschsschmelzer-fuer-alle-raehmchengroessen/
Translated with DeepL.com (free version)