What does it mean that the special training class for primary school students is required to bring their own Rubik's Cube and skipping rope to the interview?

To test students’ mental thinking and motor abilities. Special training classes for elementary school students to junior high school students are required to bring their own Rubik's Cube and skipping rope to the interview in order to test students' mental thinking and motor abilities, such as testing the students' speed and method of imitation, and the time of continuous movement of the skipping rope, so that students can get more exercise opportunities. And it allows students to select outstanding students through merit-based admission.