Creativity mode. In this mode, endless blocks and endless tools are available. So grab your construction helmets and start building!
Steps

Step 1. Create a creative mode world
Fully flat is most recommended.

Step 2. Then open your inventory
You will see almost every block / element there. The O Enchanting bottle just gives you experience points.

Step 3. Pick some blocks and start building
(Video with light below.)
Advice
- In creative mode, instruments have an infinite lifespan.
- Build your home from gold, diamonds, emeralds or whatever you want!
- Want fewer characters? Play peaceful mode.
- The glowing stone is most recommended for building a cool house.
- Most recommended for 1.8-1.0 and 1.2.3.
Warnings
- In creative mode, you can fly, so if you fall into the Void it won't be much of a problem …
- Be careful! You can remove the bedrock and you can end up in the Void!