flexagons
/ˈflɛksəˌɡɑnz/
noun
- Plural of flexagon; folded paper shapes that can be turned inside out to show different faces or patterns.
- Some flexagons have four sides, while others have six or more.
- We spent the afternoon creating flexagons and showing each other the hidden patterns.
- The craft store sells kits for making different kinds of flexagons.