Curious Egg好奇心旺盛なタマゴ

A mysterious, curly-tailed egg that seems to react to your presence. Is there a way to hatch it?
In-game description

What is Curious Egg used to make? Craftable items and their uses

Items you can make with Curious Egg, with how to craft them, the other materials needed and what the result is for.

How to craft: Crafted at Egg Incubator
Materials: Curious Egg ×1
What it is: Cracked Curious Egg is a pet egg that is about to hatch. Using it hatches Embertail.

	Recipe (materials)
Cracked Curious Egg	Curious Egg×1	7