Sponge Rock Buddy

Sponge Rock Buddy is a Roblox UGC Limited shoulder accessory by zerobeast. 1,852 of 3,000 original copies are still on sale from the creator, about 38% of the stock claimed. It was originally on sale at 55 R$. Resale listings start at 55 R$, about 2% below its RAP of 56 R$. RBX Invest has tracked 5 sales of it in the past 30 days. It was created on Roblox on Apr 19, 2024.

RAP 56 R$
Lowest Price 55 R$
Total Copies 3,000
Original Copies Remaining 1,852
Original Price 55 R$
Market Cap 64,288 R$
Item Type UGC Limited
Category Shoulder Accessory
Creator zerobeast

What is Sponge Rock Buddy worth on Roblox?

As of September 28, 2026, Sponge Rock Buddy has a Recent Average Price (RAP) of 56 Robux and the cheapest reseller listing is 55 Robux. Across the 1,148 owned copies, its estimated market value is 64,288 Robux.

That puts the cheapest copy 2% 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 Rock Buddy?

Sponge Rock Buddy is a UGC Limited Shoulder Accessory with 3,000 total copies. 1,852 copies are still available from the creator. It originally sold for 55 Robux.

RAP is close to the 55 Robux original price, so the item has held roughly its release value.

Sponge Rock Buddy has 71 favorites on the Roblox catalog.

Sponge Rock Buddy sales history

RBX Invest has recorded 1,183 sales of Sponge Rock Buddy across 157 trading days, from Apr 21, 2024 to Sep 26, 2026.

Sales here include copies bought from the creator’s original stock as well as resales between players. Free promotional claims are not counted.

Its highest daily average sale price was 119 Robux on Feb 1, 2026, and its lowest was 18 Robux on Apr 21, 2024.

By calendar year, its average sale price went from 26 Robux in 2024 to 58 Robux in 2026, up 123%.

Sponge Rock Buddy: average sale price in the 12 most recent months with recorded sales
MonthAverage sale priceSales
Sep 202655 R$4
Aug 202655 R$3
Jul 202655 R$2
Jun 202655 R$1
May 202655 R$4
Apr 202655 R$8
Mar 202655 R$2
Feb 202673 R$6
Jan 202655 R$15
Dec 202555 R$4
Nov 202555 R$2
Sep 202555 R$2

Did Sponge Rock Buddy make money for release buyers?

Sponge Rock Buddy's first recorded sale was on Apr 21, 2024, and its original stock had not sold out when these figures were read. Copies could be resold from May 21, 2024, once Roblox's 30-day resale lock ended.

Bought at the original 55 Robux, a copy had no profitable resale point in its first year once Roblox's cut is taken out.

About Sponge Rock Buddy

used to claim more items, and more things sold here - https://www.roblox.com/games/15415476278/SALE-Zero-Hub

Where to find Sponge Rock Buddy

Sponge Rock Buddy is Roblox asset ID 17195358332. It was published by zerobeast. On RBX Invest it sits in the UGC Limited Shoulder Accessories, Cheap Limiteds under 100 R$, Limiteds under 500 R$, 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.