Redstone Lab supports work by crafters and builders of the Minecraft Challenge League: da Vinci Schools, Brentwood School, Campbell School, Pepperdine University EDLT program and ACM student chapter members.

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Image courtesy of Redstone Labs Wiki
http://redstonelabs.wikia.com/wiki/Main_Page

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The Minecraft Challenge League http://redstonelabs.enjin.com/