In this Mumbo Jumbo Minecraft redstone video, Mumbo builds self building bridges in vanilla Minecraft! These automatic minecraft bridge builders consist of automatic cobble stone generators, slime block flying machines and automatic Minecraft block placers. Filming channel: https://www.youtube.com/user/ThatMumboJumbo2 Instagram: https://www.instagram.com/officialmumbo/ Twitter: https://twitter.com/ThatMumboJumbo