Springboards Mod 1 7 10, 1 7 2
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Springboards Mod 1.7.10, 1.7.2 is a trivial plugin that adds springs to the game.
To use a spring, stand on it, and then right click on it with an empty hand. You will launch into the air depending on the strength of the spring.
Download Springboards Mod 1.7.10, 1.7.2