This game is totally fabulous and a MUST HAVE on iPad.  There are two different modes Creative and Survival.  In creative you have a never ending supply of everything to use and in Survival, as in the real world you need to gather and create before you can build. 

Minecraft Creative mode begins in a 3D world with mountains, valleys, trees and bodies of water all made of blocks. Build and dig in three-dimensions with many kinds of different coloured materials instantly, with just a tap! 

Underground passageways, secret fortresses and hidden underwater atriums. Hours of creative playtime as you imagination runs wild.  

Up to five people can play together multiplayer in one world. 

Minecraft Pocket Edition is an amazing iPad app for creative expression. Excellent.