Hello. I'll show you how I did the arena for the game. I tried to describe in more detail all the steps.

That looks AWESOME !!! ( It is really FUN to battle in this EXTRA large Stadium ! )

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 THE   Beyblader   from   ODISHA 

That looks AWESOME !!! ( It is really FUN to battle in this EXTRA large Stadium ! )

there is another old video

you should like it