In addition to his seminal contribution to the relationship between language and thought, Lev Vygotsky also put forward ideas regarding the psychology of play, in particular the process of self-regulation through creative play.This classic article which was orginally given in the form of a speech provides several key insights into Lev Vygotsky's theories of play.Play And its Role in The Mental Development of The Child has been produced as part of an initiative by the website All About Psychology to make important psychology publications widely available.www.all-about-psychology.com