| Location | Amsterdam |
|---|
The puzzles are very simple to make, but the solutions vary in difficulty.
Tools:
Materials:
Good luck
User Stef
| Authors | Stef Breukel |
|---|---|
| License | CC-BY-SA-3.0 |
| Cite as | Stef Breukel (2006–2026). "Cardboard Folding Puzzle". Appropedia. Retrieved October 3, 2026. |