My parents want me to work in the summer and I dont' wnat to, what can I do? Please look at the details.?

They said it's not about the money but its just about experience and getting used to working and communicating and gaining work skills. I just want to relax during the summer and dont' feel like working becuase I normally work hard in school and get good marks, that's why i liek to relax in the summer but my parents want me to work. What can I do? i am 15.