Minecraft wiki entry for Piston_uses, associated text: Moving vehicles are a result of Java Edition 1.8 adding the capability to slime blocks and pistons, allowing adjacent blocks to attach to the slime block. How to make moving vehicles. You need 2 sticky pistons, 1 regular piston, 4 slime blocks and a redstone block. Go four blocks above ground and place a sticky piston, then put a slime block in front of that, go two down (underneath the piston) and on the second block put a regular piston and finally, put a sticky piston in front of the regular piston as showed.