The Czech version of the page says Frank Hornby patented the metal construction set in 1901. Merkur started just before the patent expired, long before the Cold War.
https://en.wikipedia.org/wiki/Merkur_(toy)
https://www.merkurtoys.cz/
The Czech version of the page says Frank Hornby patented the metal construction set in 1901. Merkur started just before the patent expired, long before the Cold War.
https://en.wikipedia.org/wiki/Merkur_(toy)
https://www.merkurtoys.cz/