Trailer: Here

The Internal Space Manager lets you create the effect of an object or room that is bigger on the inside by supporting sound effects, particles, third-person characters, and multiplayer.

The product is intended for projects that target high realism. Numerous video tutorials and full documentation are available that teach you how to use the features and briefly explain how the system works. Customize the Internal Space as you would like through the details tab. Numerous possibilities of use.

WARNING (UE5.6): An engine bug found. The bug is nothing more than a loading error of the engine itself only in the "Default Viewport" and in the "New Editor Window" mode when playing. The loading error does not occur when using the "Standalone Game" mode or in the packaged version of the product.

Note: This warning will be removed as soon as an engine update fixes the problem. So, don't worry, the product is working normally, it is just an engine error that does not affect the product in your packaged game.