Piston

Pistons and Sticky Pistons are both redstone-related blocks capable of pushing other blocks when given a power source. They will be added in Update 0.14.0.

Crafting

 * 3 Wooden Planks + 4 Cobblestone + 1 Iron Ingot +  1 Redstone => 1 Piston
 * 1 Piston + 1 Slimeball => 1 Sticky Piston

Trivia

 * Another version of Pistons, called Sticky Pistons, also exist.
 * Sticky Pistons have the same behavior, but they have the ability to pull blocks as well.
 * Pistons cannot push all types of blocks.
 * For example, blast resistant blocks like Obsidian cannot be pushed by a piston.
 * One piston can push 12 blocks in any direction.
 * Pistons can be placed on any surface of block. (Ceiling, walls, floor)