The Red Slime Egg is a rare item that can be used to hatch a Red Slime in a Slime Hutch. Players obtain it by compressing 100 pieces of Red Slime in a Slime Egg-Press or as a drop from Red Slimes themselves. Once hatched, the Red Slime will reside within the hutch, potentially producing resources and allowing for the farming of Slime Balls, which are essential for crafting various items and resources.
The item ID for Red Slime Egg is 437
This ID will work on PC/Mac (Steam), PS4, PS5, XBOX One, and Nintendo Switch.
Spawning items in Stardew Valley is a little unsual and is not done with commands. You will need to utilize what is called a cheat to set your character's or animal name to the item id. To do this you cannot use just the item id, you will need to surround the item id with brackets. Ex. [437]
Spawning Using the Animal MethodTo spawn Red Slime Egg while using an animal, you will need to head over to Marine's Ranch and purchase an animal. Once you have have an animal chosen, name the animal with the item id with brackets like this [437] and you will receive the Red Slime Egg item. This method can be done using an existing character and is convenient but will cost some gold every time you want an item.
Spawning Using the Character MethodTo spawn Red Slime Egg while using a character, you will need to create a new character and name it with the item id with brackets like this [437]. You will then receive the Red Slime Egg item when you speak to a villager. This method is easy and free but cannot be performed on an existing character and you will be stuck with that name unless its edited.