Mainly for 3d printing purposes, so that beys can slide neatly and go fast just like in official beystadiums

I believe most are made of a type of ab plastic but that was just from a quick search of Google

best to ask in the WBO discord (if u still need an answer)

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very active singapore beyblader, and official GM (game master a.k.a judge) for WBBA events.
i like weiland i think he's the best artist of all time
(yasin.pdf) and (beyblader101_) on insta, he/him.