This cube is very durable. It does not fall apart even if you stretch, pull it. Children can play with it and it will withstand any active game. New original design.
Also please see NEW WAY to make a flexicube (Yoshimoto cube):
https://youtu.be/ZWTh4yGYrsc
How to make origami moving cubes (no tape).
Paper toy, you can turn and turn it all over again!
Use 5 Sonobe units and one new unit, called "LONG" for each of eight small cubes. No tape used!
TIMING:
1. make SQUARE module ... 0:33
2. make LONG module ... 2:34
3. assemble small cube ... 5:43
4. assembling the magic cube ... 9:12
5. ready magic cube ... 19:04