Don’t forget to read and follow the guidelines 
https://forum.playcanvas.com/t/collaboration-guidelines-please-read-first/18791
Project Name: my first project
Role Required: coder/programmer
My Role: idk
My Previous Projects: na
Team Size: 3
Project Length: 3 months
Compensation: None
Project Description: marbel
Hi @AryaVrat_Singh!
Unfortunately, the minimum age required to use PlayCanvas is 13 years old. Please review the terms in the link below. As a result, your account will likely be deactivated.
By the way, we would love to see you back on the forums once you are old enough! Keep up the interest in game development, and hopefully until then!