Craft 1 paper and 1 gunpowder to make 3 fireworks rockets
Open a crafting table
Place the paper and gunpowder in any crafting grid slots
Take the fireworks rockets from the result slot
Add more gunpowder to increase flight duration
Use up to 3 gunpowder for longer flight
Craft firework stars with gunpowder plus dye to make colored explosions
Add firework stars to the rocket recipe to create explosive fireworks
Add glowstone dust for a twinkle effect
Add diamond for a trail effect
Add a mob head for a creeper-shaped explosion
Add a feather for a burst effect
Use the fireworks rocket on a crossbow to load it
Fire rockets into the air or use them with Elytra for boosting