It's time to get a few things clear with your kiddo. They may have interpreted 'clean your room' to mean 'lie around and read comic books and do puzzles.' Be very specific and consistent and they'll get it right.
Teach them simplicity.
Sport and health
You will do them a big – a HUGE – favor, if you teach them at a young age to avoid associating happiness with the accumulation of material possessions. The younger they are, the more likely they are to listen to you, so start early. My kids are 6 and 8, and I often feel that now is the time to