Minecraft Pocket Edition: How To Make It Rain Cactus

Image Screen-captured From Google Images. This image is from the site, minecraftaddicts.com.

Cactus blocks are found on sand in Minecraft Pocket Edition. There is a way to make it rain cactus blocks without any cheat codes or mods. 
1. Find a beach.
2. Build a huge tower with cactus blocks on the sand. Make sure you build it as high as the game can let you.
3. Dig out all the sand blocks around it. 
4. Remove the sand block under the big cactus tower.
5. Look up and see cactus rain.
Easiest Way: Creative Mode.