The Green LEGO Brick is the fourth type of LEGO Brick used in My LEGO Network and is needed to make Modules such as the Dino Grazing Module, Rank 1 and Items such as the Protoceratops. They are officially introduced in Rank 4, but can also be obtained in Rank 0 by Arcade Modules. They are also used in Rank 5 and, Rank 6 for building the Electric Guitar and several other instruments listed in the "Used For" section. In Rank 7 and Rank 8 they are used for making Totemic Animals.