Based on a children's book "Pikku siili" (Otava, 1979), written by Finnish author Lea Pennanen and originally illustrated by Maija Karma.
A six-part television series premiered on Finnish television in November 11, 1993 on Pikku kakkonen (1977) at Yle TV2 channel.
All the actors were from "Teatteri Mukamas" in Tampere, Finland. The making of the puppets was a collaborative effort at the make-up and costume department in Yle TV2 (Finnish: TV2 Naamiointi ja puvusto).