Airport 1 Standard Track Thursday, 22nd June 2023

How to catch the star in practice mode? I saw in a video that cars can flip, but I don't know if it's available in this version? (Build 23. 0501a2). The track is one of my favorite.

Radioactive Garden Standard Track Monday, 19th June 2023

Pls help me, where is the star in the practice mode? (Is there a star there...?)