Description
BOS Booklet 11<br>First Edition: 1978<br>Second Edition: 2013
Models in this book (14)
| Pg | Model | |
|---|---|---|
| 7 | Tri-Hexaflexagon | |
| 8 | Ennea-Hexaflexagon | |
| 9 | Hexaflexagon formula | |
| 16 | Tri-Tetraflexagon | |
| 17 | Hexa-Tetraflexagon | |
| 18 | Tetra-Tetraflexagon | |
| 20 | Double Square | |
| 22 | Strip Flexagon | |
| 27 | Cross Flexagon | |
| 28 | Ring Flexagon | |
| 30 | Ring Flexagon | |
| 32 | Ring Flexagon | |
| 34 | Flexicube | |
| 36 | Butterfly Story | |