How to build a working LASER DOOR in MCPE - Minecraft Command Block Tutorial (No Mods) - YouTube
WORKING LASER SECURITY DOOR with command blocks in Minecraft PE - YouTube
Minecraft Command Blocks | How to Make, Get & Give | The Ultimate Guide
How to build a working LASER DOOR in MCPE - Minecraft Command Block Tutorial (No Mods) - YouTube | Minecraft commands, Minecraft crafts, Minecraft decorations