: Breaking the Sponge will trigger the Observer, causing the Dispenser to fire your loot. Method 2: Command Block Setup
This method is perfect for Survival mode as it uses basic Redstone components to trigger a surprise when a block is broken. : Dig a 3x3 hole that is 3 blocks deep. Lucky Block in Vanilla Minecraft (No Mods!)
: Place a Sponge or Yellow Wool on top of the Observer. : Breaking the Sponge will trigger the Observer,
: Place an Observer in the center at ground level with its "face" looking up. Lucky Block in Vanilla Minecraft (No Mods!)
How to Make a Lucky Block in Minecraft Using No Mods : 6 Steps