Flying machines are interesting Minecraft redstone contraptions. They utilize the ability of slime and honey blocks to stick to other blocks to pull a piston contraption along as it pushes itself.

How to Make an Elevator in Minecraft #1 Build the Flying Machine First, place 3 obsidian blocks on the first ground. This will be where your elevator stop. Repeat this one more time on the second ...

Items needed to build a flying machine in Minecraft: 1x Sticky Piston 1x Regular Piston 2x Observer 7x Slime Block A lot of building blocks (e.g., cobblestone) ...