Build an egg gun with Loup226's easy tutorial. Make your very own Egg Gun by following these simple steps. Setting up the egg gun is the first step. For the small one, take the adapter and place the egg inside. Release the butane for 20 seconds, and your egg gun is ready. Next is preparing the egg. The trick for launching an egg and not breaking it in the gun is to boil the egg for four minutes and no more. The egg should be looking like that inside. Finally, the first test. Carry out your first test and see your egg gun in action. Have Fun!