No właśnie, taka zabawa jest świętokradztwem czy nie?

It is not sacrilegious. Many a priest started out playing Mass.

This is sacrilligious....The Eucharist is NOT a game, or a part of a play. This child has the totally wrong impression of Transubstantiation and has made a "mockery" of the Holy Mass. He is only fulfilling the wishes of his parents.