Curiosity led me to the Internet archive, so I found interesting kit pictures from Tekniska museet

Assume there are different logic elements in it and some additional devices for making experimentsI can't find it on ebay, but it looks so cool, so I want to find it out.I'm not sure that this is coanda effect logic. Or logic in general, but..

Links:

https://archive.org/details/arkivkopia.se-digmus-tek-TEKA0008814

https://archive.org/details/arkivkopia.se-digmus-tek-TEKA0008813

https://archive.org/details/arkivkopia.se-digmus-tek-TEKA0008820

https://archive.org/details/arkivkopia.se-digmus-tek-TEKA0008816