Advanced Mob Spawner: \r
Mob Spawner Tips and Tricks: \r
Mob Spawner EXP Farm Upgrade: \r
Skeleton Mob Spawner Exp Farm: \r
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As requested! Here is a tutorial on how to make a basic Mob Spawner/Mob Grinder.This Mob Spawner/Mob Grinder is the most efficient simple (no redstone) design that I have come across. This design can also be modified and used as an experience farm. Hope this helps you guys out in your survival worlds!\r
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ENJOY!