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

Minecraft commands let players do a variety of things, and explosive snowballs —which can only be made through commands — always end up being a fun addition. With just a simple command-block setup, ...

You can teleport almost anywhere in Minecraft using the "/tp" command, but you'll need to enable cheats in your world first.