GameRegistry.registerBlock(alternateWorkbench, NAlternateItem.class, "Natura.workbench");
alternateBookshelf = new AlternateBookshelf().setHardness(1.5F).setStepSound(Block.soundTypeWood).setBlockName("bookshelf").setCreativeTab(NaturaTab.tab);
GameRegistry.registerBlock(alternateBookshelf, NAlternateItem.class, "Natura.bookshelf");
alternateFence = new AlternateFence(Material.wood).setHardness(2.0F).setResistance(5.0F).setStepSound(Block.soundTypeWood).setBlockName("fence").setCreativeTab(NaturaTab.tab);
GameRegistry.registerBlock(alternateFence, FenceItem.class, "Natura.fence");
grassBlock = new GrassBlock().setBlockName("GrassBlock");
grassBlock.stepSound = Block.soundTypeGrass;
GameRegistry.registerBlock(grassBlock, GrassBlockItem.class, "GrassBlock");