50314222_bbies___The_Sims_Freeplay_Wiki__Prizes
[Name] Karate Pre-teens [Levels] 1.Yellow Belt 2.Red Belt 3.Blue Belt 4.Purple Belt 5.Brown Belt 6.Black Belt [Description] To start this hobby, you will need to build the Community Center. When your pre-teen is there, tap the Sparring Dummy or the Karate Board to start practicing. [Prizes] 
Unlock karate themed wallpapers and other items. Become a Black Belt.
Hobbies - The Sims Freeplay Wiki
Prizes