The easiest ones are probably a button or a lever, though the pressure plate and tripwire hook will make it a little more automatic. Obviously, pistons will be necessary, but so will slime blocks.

Slime balls are one of the most used items by redstone engineers in Minecraft. Using slime balls, players can make pistons and slime blocks. These blocks are essential to many redstone contraptions, ...

GameSpot may get a commission from retail offers. The Slime is one of the Minecraft mobs that initially appears hostile, but upon killing it you will find useful items for many sought-after crafting ...