The level of the Challenge Cup is relatively high, but it is also very difficult to win prizes. If you don't have excellent materials, you can really go. If you achieve more innovative results, you can do so. If you can get a good ranking, you may be able to directly protect your research or something, but to be honest, this is really difficult.
You mean electronic equipment, right? Electrical design is a competition that can train results step by step, and there are more awards and scientific research points in our school.