Matryoshka - Russian souvenir
The height of the largest one is 250mm
There are 2 groups of matryoshkas in the scene, as shown in previews 1 and 2
The model has a TurboSmooth modifier applied. It is not collapsed.
You can adjust the smoothing level if necessary. (in the viewport - 0, in the render - 1)

Render: Corona (9)
CoronaLegacyMtl materials may display incorrectly in very old versions of the engine