This Fireworks Rocket Generator creates the Minecraft Java Edition (PC/Mac) 1.16 command you can use to create a custom fireworks rocket. Choose from either the /give or /summon command. When you have finished customizing your fireworks rocket, click on the Generate Command button and then copy/paste the command into Minecraft.

This Monster Spawner Generator creates the Minecraft Java Edition (PC/Mac) 1.16 command you can use to create a monster spawner (sometimes called a mob spawner) with a custom mob that has weapons, armor, enchantments, and effects. When you have finished customizing your monster spawner, click on the Generate Command button and then copy/paste the command into Minecraft.