1 Season
7 Episode
Experimentlek - Season 1 Episode 7 Center of mass (1972)
Per and Gösta are experimenting with center of mass.
- Country : Sweden
- Genre : Kids
- Studio : SVT
- Director : Olof Jagæus, Ingmar Lindskoug, Leif Svensson, Åke Gustavsson
- Cast : Gösta Ekman, Per Ragnar