The movable wall consists of several panels that can be stacked after use.
The blue and green runways are fixed together and attached to the ceiling.
This video was made based on:
https://youtu.be/bqh_oxdsJns
STEP files of this video:
https://www.mediafire.com/file/pevkf6dp39geydv/MovableWallStackingSTEP.zip/file
Inventor files of this video:
https://www.mediafire.com/file/kows6gj0z75eqlk/MovableWallStackingInv.zip/file