Invisible Block Comparison in Vanilla Minecraft 1.5.1!

There are a whole host of invisible blocks, and methods for barriers now available. Here are all the ones I know about. I show you how to make invisible force fields for your custom map, some can be broken, some can’t. Here is the full rundown. For all of them you have to use MCedit to place (or voxel tools or worldedit) However, the resulting blocks can be used in custom maps that will work 100% with vanilla Minecraft.

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