Which olmec creation was adopted by most early mexican cultures?

construction of floating gardens

the concept of 13 heavens and nine underworlds

the art of carving giant stone heads

a game played with a hard rubber ball on a court

Olmec culture created a game played with a hard rubber ball on the court. Played in various court sizes,  players use their hips and other body parts to direct the rubber ball that weighs as much as 4 kg.  This sport is not only a competitive game but with a religious ritual aspect that some culture involves human sacrifice.

Archangel michael the healer

Word of mouth.