The first appearance of a puppet mouse Plåstret (in some episodes credited as "Plåsterhjelm"). It was originally voiced and puppeteered by Anders Engström, and from the second season (in September 5, 1989) by Mischa Hietanen. Plåstret also appeared in a televised advent calendar Plåstrets pirat-tv (1994), and from January 12, 2008 was a frequent host/guest in another children's magazine program BUU-klubben (1997) (now voiced and puppeteered by Gert Sabel). The character also appeared in Mus i vårt hus (2012) and a various "BUU-klubben" spin-off series, including "Superhjälparna", "Superjul" and "Julkalender".
A children's magazine program (by the Finland's Swedish Television in Vaasa) ran three seasons from September 6, 1988 to May 28, 1991 at Yle TV2 channel, airing on Tuesdays before Pikku kakkonen (1977). In addition to the studio segments with host and a puppet mice, each episode includes international children's television programs.