The Firefly Jar is a common gear which was added in the the Fall Market Event.
How to get
Has a 100% (1/1) chance to be in stock in the Fall Festival. The user can purchase a gear for 500,000 or 37.
Appearance
The Firefly Jar resembles a glass container. It has a transparent, pixelated body with a light, misty appearance. Topping it is an orange, square lid. Inside, a glowing yellow firefly can be seen, along with some faint, cloud - like or misty elements, giving off a warm, luminous glow.
Trivia
This section is a trivia section. Please relocate any relevant information into other sections of the article.
The Firefly Jar uses the unused Firefly pet inside the model.
500,000 or 37 
.