Amm's Siwwy Birthday Cake

Amm's Siwwy Birthday Cake is a Roblox UGC Limited back accessory by Smili UGC. Its original stock of 15 copies has sold out. Resale listings start at 4,998 R$, about 14600% above its RAP of 34 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Nov 28, 2024.

RAP 34 R$
Lowest Price 4,998 R$
Total Copies 15
Original Copies Remaining Sold Out
Original Price Free
Market Cap 510 R$
Item Type UGC Limited
Category Back Accessory
Creator Smili UGC

What is Amm's Siwwy Birthday Cake worth on Roblox?

As of September 28, 2026, Amm's Siwwy Birthday Cake has a Recent Average Price (RAP) of 34 Robux and the cheapest reseller listing is 4,998 Robux. Across the 15 owned copies, its estimated market value is 510 Robux.

That puts the cheapest copy 14600% above RAP. Sellers are holding out for more than the item has recently traded at, which is normal for a UGC Limited with few copies on the market.

How rare is Amm's Siwwy Birthday Cake?

Amm's Siwwy Birthday Cake is a UGC Limited Back Accessory with 15 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for free.

Amm's Siwwy Birthday Cake has 21 favorites on the Roblox catalog.

Amm's Siwwy Birthday Cake sales history

RBX Invest has recorded 3 sales of Amm's Siwwy Birthday Cake across 3 trading days, from Feb 3, 2025 to Aug 22, 2025.

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

Its highest daily average sale price was 145 Robux on Apr 7, 2025, and its lowest was 140 Robux on Feb 3, 2025.

Amm's Siwwy Birthday Cake: average sale price in the 3 most recent months with recorded sales
MonthAverage sale priceSales
Aug 2025140 R$1
Apr 2025145 R$1
Feb 2025140 R$1

Did Amm's Siwwy Birthday Cake make money for release buyers?

Amm's Siwwy Birthday Cake sold out of its original stock 94 days after its first recorded sale, on Mar 3, 2025. Copies could be resold from Dec 29, 2024, once Roblox's 30-day resale lock ended.

About Amm's Siwwy Birthday Cake

HAPPY BIRTHDAY AMM! - Raptor_Adam Livvy Umut AlLeGameur Raw Cyber Ilyas Kia Lachen Lui Mazoo Mon Mosh Yooger Ninjamello Nomo Truth Waffle Wubble Dailyonfort Swagblades Matt Maxoratus Melts Outflowed Randy Ruggy Snapple

Where to find Amm's Siwwy Birthday Cake

Amm's Siwwy Birthday Cake is Roblox asset ID 121411990794713. It was published by Smili UGC. On RBX Invest it sits in the UGC Limited Back Accessories, Limiteds under 100 Copies, Limiteds under 1,000 Copies, Limiteds under 10,000 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.