Creative mode

As many people love to build in creative mode, as there is unlimited supplies of items. I have done top things to build in MCPE creative mode, build these and tell me what you have built!
*Pyramids
*Hotel
*Mansion
*Theme park
*Underwater base
*Massive boat
*Shops
*Bridges

How to make a theme park water slide=
Redirect waterfall/water from hill and build around it, and make a drop at the end- see pictures!
I've added melons on the side. Also mine goes underground, but yours can stop on land.