Interesting, but this might be useful to include a version that goes from 0 - 9, or as far as 99.
But i'm not savvy on animation limitations.

hello @Devalut my main purpose was to count it from 1 to 4 only, but (maybe) i will add more numbers from 0 to 9 like you suggested
ty

This model is horribly un-optimzed and does not require 12 textures to get the effect you want.
The polygon count is also way too much for a simple circle with number and some particle effects on it.

Please make the model take up less space, reduce the polygon count and reduce the number of textures needed.