As its name, you can obtain a command block through commands. Make sense, right? There are 2 commands you can type in the chat (press T or Enter) to get a command block: /give @s minecraft:command ...

You can literally make working cars with them and recreate Crossy Road, but this Minecraft creator has built an entire transforming village with command blocks.

A YouTuber makes an 8x8x8 fully 3D-rendered Minecraft world in Minecraft with no command blocks, no data packs, and no mods.

It was built with 357,000 command blocks—no mods were used—and took 2,832.89 kilometers of in-game travel to complete.