Nuacht

Introduced in Minecraft 1.17, light blocks are invisible items that produce light levels ranging from zero to 15.
In Minecraft, there are hundreds of items blocks and items to obtain in the survival mode. Players can find even more of them easily by switching to creative mode.
Minecraft Java Edition players can use the new snapshot update to get a brand new block type that gives even more control to creators.
Basically, it lets you easily set up custom lighting to finesse the aesthetics of your Minecraft builds. You can only get light blocks via the /give command so, er, don't expect to go mining for ...
You can get a command block in your Minecraft Java or Bedrock world using cheats and a special chat command.