Help meeee!?

so theres this girl and she's a few yrs younger than me. and sometimes she asks if i wanna play but i dont want to play. and maybe its the age difference idk, shed rather do things that i dont want to do, things that i think are boring. and one point i told her i didnt wanna be friends and things got all wierd and now i guess u could say we're kinda friends. but she always wants to hang out and i dont want to hang out, what should i do cuz i hate sayin no or makin up excuses its startin to bug me doin that.