Daiki Inaba returned from the television anime series Fūsen Inu Tinny (Balloon Dog Tinny) to direct at Craftar.
The book series has previously been adapted into a two-season television anime series titled Fūsen Inu Tinny (Balloon Dog Tinny).
The books inspired The Bears’ School anime film in 2010, as well as the Ganbare!
The books also received a manga adaptation titled Fūsen Kyōryū-hen (Balloon Dinosaur) in Magazine House’s CasaBRUTUS magazine that started in January 2016.