Mikhail Luzyanin

unfortunally, this combination of nodes not supported. Try mix instead of add mix and blend type of transperency.

It can be done using shapekeys, look at parametric objects demo.

Default unit in VErge3D is digital UNIT, it’s not tanget to any mesument units. So you can use it as meters or iches, but usualy it’s mean that it’s metric and one unit = one meter.

can you share the blend file?

Check the blend type of the material and seth test and depth write checkboxes.

Play animation puzzle. Watch this tutorial series it can help to understand basics.

You need to do the same with the puzzles logic instead of internal Blender instruments.