They're not actually building things out of red stone (although they may if they're learning some basics about circuitry). The schools around here are using Min

They're not actually building things out of red stone (although they may if they're learning some basics about circuitry). The schools around here are using Minecraft to teach Java-by doing things like creating custom blocks in Minecraft that when activated call Java code you've written that turn all the blocks in an X radius into wool, or samples an image you feed it and recreates the pictures in Minecraft using colored blocks of wool as pixels.