MED is a completely free and very interesting application. It is simple and easy to use so that it can be used by both children and adults.Basic features of the application:Assembling irregular hexagonal shapes into one whole240 levels divided into 4 groupsCan - 60 levelsNormal - 60 levelsDifficult - 60 levelsPuzzled - 60 levelsHelp improve this app by rating it and commenting.