New Particles Showcase World is creation map for Minecraft PE. It has interesting feature, in map you can use some particle effects, just put /particle. That magic particles will give any usefull power, it just looks great and makes you fun. That commend was reintroduced in new version of Minecraft Becrock Verion 1.8
If you want get more information about particle effect, you can see this animation, which show you how it functions.
all screenshots you will see there below this text
Download New Particles Showcase World [Creation map] for Minecraft Pocket Edition 1.8 +