4 ms·
Sad to hear! I noticed that some are available through the Internet Archive: https://archive.org/details/Hexaflexagons https://archive.org/details/Hexaflexagon
by dkurth 2y ago
Sad to hear! I noticed that some are available through the Internet Archive:
https://archive.org/details/Hexaflexagons https://archive.org/details/Hexaflexagons