1. Contestants can carry their own stationery to make a record of their practice process.

2. The tape will be fixed around the track, and the tape area is part of the track map.

3. After the competition one is over, contestants will have extra 3 minutes to disassemble their race car. And then immediately begins the assembly and practice time of competition two, which is 30 minutes (the referee will not check the disassembly degree, which is decided by each team).