Currently using
VidNest
Switch to an alternate server if you face errors or buffering.
Per and Gösta experiments with air pressure.
Per and Gösta are looking close on small things.
Per and Gösta are making sounds.
Per and Gösta are experimenting with light.
Per and Gösta are experimenting with friction.
Per and Gösta are experimenting with magnets
Per and Gösta are experimenting with center of mass.
1993
1984
1998
1981
2011
2002
2006
2017
1994
2000
1985
1983
2005
1999
