Introduced in Minecraft 1.17, light blocks are invisible items that produce light levels ranging from zero to 15.

Minecraft Java Edition players can use the new snapshot update to get a brand new block type that gives even more control to creators.

You can only get light blocks via the /give command so, er, don't expect to go mining for light. (If you need more details on Minecraft console commands, you can follow that link.) ...

You can get a command block in your Minecraft Java or Bedrock world using cheats and a special chat command.