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Brainwave Detector
Item
Brainwave Detector
Roblox
Asset 49939692by Roblox
Current RAP
4,043R$
Avg Price (30d)
10,000R$

1 sale

Avg Price (90d)
10,000R$

1 sale

Avg Price (180d)
4,100R$

6 sales

Lowest Price
10,000R$

resale listing

Original Price
150R$
Total Copies
949
Original Copies Remaining
Sold Out
Summary

Brainwave Detector is a Roblox Classic Limited hat by Roblox. Its original stock of 949 copies has sold out. Resale listings start at 10,000 R$, about 147% above its RAP of 4,043 R$. RBX Invest has tracked 1 sale of it in the past 30 days. It was created on Roblox on Apr 16, 2011.

Description

MLB is after me! Must protect thoughts!

Brainwave Detector

Brainwave Detector is a Roblox Classic Limited hat by Roblox. Its original stock of 949 copies has sold out. Resale listings start at 10,000 R$, about 147% above its RAP of 4,043 R$. RBX Invest has tracked 1 sale of it in the past 30 days. It was created on Roblox on Apr 16, 2011.

RAP 4,043 R$
Lowest Price 10,000 R$
Total Copies 949
Original Copies Remaining Sold Out
Original Price 150 R$
Market Cap 3,836,807 R$
Item Type Classic Limited
Category Hat
Creator Roblox

How much is Brainwave Detector worth? Price and value

As of October 17, 2026, Brainwave Detector is worth about 4,043 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 10,000 Robux. Across the 949 owned copies, its estimated market value is 3,836,807 Robux.

That puts the cheapest copy 147% above RAP. Sellers are holding out for more than the item has recently traded at, which is normal for a Classic Limited with few copies on the market.

How rare is Brainwave Detector?

Brainwave Detector is a Classic Limited Hat with 949 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for 150 Robux.

At 4,043 Robux, RAP sits 27x the 150 Robux it first sold for.

Brainwave Detector has 1,158 favorites on the Roblox catalog.

Brainwave Detector sales history

RBX Invest has recorded 79 sales of Brainwave Detector across 67 trading days, from Dec 6, 2022 to Oct 4, 2026.

Its highest daily average sale price was 10,000 Robux on Oct 4, 2026, and its lowest was 1,000 Robux on Jun 15, 2023.

By calendar year, its average sale price went from 2,708 Robux in 2022 to 3,645 Robux in 2026, up 35%.

Brainwave Detector: average sale price in the 12 most recent months with recorded sales
MonthAverage sale priceSales
Oct 202610,000 R$1
Jul 20264,200 R$1
May 20263,900 R$4
Apr 20262,400 R$1
Mar 20263,600 R$1
Feb 20262,925 R$7
Jan 20262,849 R$2
Dec 20253,479 R$1
Nov 20252,767 R$3
Oct 20252,500 R$1
Sep 20252,699 R$1
May 20252,500 R$1

About Brainwave Detector

MLB is after me! Must protect thoughts!

How to get Brainwave Detector

Brainwave Detector is no longer sold by the creator, so the way to get it is to buy a copy from a reseller on Roblox. The cheapest is listed at 10,000 Robux.

Brainwave Detector is Roblox asset ID 49939692. It was published by Roblox. On RBX Invest it sits in the Classic Limited Hats, 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.