Sponge Cellis Back Buddy

Sponge Cellis Back Buddy is a Roblox UGC Limited back accessory by zerobeast. Its original stock of 300 copies has sold out. Resale listings start at 140 R$, about 1% below its RAP of 142 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Feb 1, 2024.

RAP 142 R$
Lowest Price 140 R$
Total Copies 300
Original Copies Remaining Sold Out
Original Price Free
Market Cap 42,600 R$
Item Type UGC Limited
Category Back Accessory
Creator zerobeast

What is Sponge Cellis Back Buddy worth on Roblox?

As of September 28, 2026, Sponge Cellis Back Buddy has a Recent Average Price (RAP) of 142 Robux and the cheapest reseller listing is 140 Robux. Across the 300 owned copies, its estimated market value is 42,600 Robux.

That puts the cheapest copy 1% below RAP. RAP averages recent completed sales, so a listing under it means sellers are currently asking less than the item has been trading for.

How rare is Sponge Cellis Back Buddy?

Sponge Cellis Back Buddy is a UGC Limited Back Accessory with 300 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for free.

Sponge Cellis Back Buddy has 445 favorites on the Roblox catalog.

Sponge Cellis Back Buddy sales history

RBX Invest has recorded 59 sales of Sponge Cellis Back Buddy across 55 trading days, from Mar 4, 2024 to Jul 26, 2026.

Free claims from the creator are not counted, so these are sales between players.

Its highest daily average sale price was 500 Robux on Mar 4, 2024, and its lowest was 120 Robux on May 10, 2024.

By calendar year, its average sale price went from 185 Robux in 2024 to 140 Robux in 2026, down 24%.

Sponge Cellis Back Buddy: average sale price in the 12 most recent months with recorded sales
MonthAverage sale priceSales
Jul 2026140 R$1
Mar 2026140 R$1
Feb 2026140 R$1
Jan 2026140 R$2
Dec 2025140 R$1
Aug 2025140 R$1
May 2025145 R$1
Apr 2025143 R$2
Mar 2025135 R$2
Feb 2025145 R$1
Dec 2024145 R$1
Nov 2024145 R$1

Did Sponge Cellis Back Buddy make money for release buyers?

Sponge Cellis Back Buddy sold out of its original stock 30 days after its first recorded sale, on Mar 2, 2024. Copies could be resold from Mar 2, 2024, once Roblox's 30-day resale lock ended.

About Sponge Cellis Back Buddy

Collab item with Zerobeast and CellisPlays

Where to find Sponge Cellis Back Buddy

Sponge Cellis Back Buddy is Roblox asset ID 16199538934. It was published by zerobeast. On RBX Invest it sits in the UGC Limited Back Accessories, Limiteds under 1,000 Copies, Limiteds under 500 R$, Limiteds under 1,000 R$ collections. The RAP, reseller listings, and copy counts on this page refresh from Roblox continuously, so the figures above are the state of the market at the last update rather than a fixed snapshot.