LEGO 40084 Accessory Pack is a HERO Factory set valued at $11 for new and sealed sets, up 127% from an original retail price of $4.99. The set retired in August 2013 with annual appreciation averaging 4.03% since. On the used market, values range from $3 to $4 based on condition. Secondary market prices for new and sealed sets typically fall between $11 and $15. Recently, the market for the set has eased as more copies are being listed for sale.

Accessory Pack Value (New/Sealed)

This chart represents the current new/sealed value of the set Accessory Pack since November 2016. Very high accuracy
LEGO 40084 Accessory Pack is a Hero Factory Accessories set released in 2013, containing 6 pieces. It was a gift-with-purchase item available with any Hero Factory purchase from July 15 to August 31, 2013. The pack includes an exclusive black and red Hero Factory “evil brain” element and a flame sword accessory. The brain piece is removable and designed to attach to buildable figures from the Hero Factory line.

Accessory Pack has climbed about 4.0% a year since retirement and is worth around $11 sealed. If the forecast is right, it keeps going, to about $16 in five years. The average used price is $3 for those in good overall condition. New and sealed listings currently range from $11 to $26.

For Sale (New/Sealed)

(US) HERO Factory: Brain Attack (40084) (New And Sealed)
BrickEconomy Choice
$16.99
(CA) Accessory Pack from BrickLink seller linkagenetwork $10.00
-11.9%
(DE) Accessory Pack from BrickLink seller Martin_ep2 $10.05
-11.5%
(BE) Accessory Pack from BrickLink seller adrenaline $10.06
-11.4%
(US) Accessory Pack from BrickLink seller Kicks_Bricks $11.00
-3.1%
(US) Accessory Pack from BrickLink seller Wally1114 $11.00
-3.1%
(GB) Accessory Pack from BrickLink seller gizmocom $11.40
+0.4%
(US) Accessory Pack from BrickLink seller Yo_Yo_Flamingo $12.00
+5.7%
(NL) Accessory Pack from BrickLink seller jnederlof $13.86
+22.1%
(US) HERO Factory: Accessory Pack (40084) New Sealed $20.00
+76.2%
(DE) Accessory Pack from BrickLink seller Haitabu $22.68
+99.8%
(US) New 40084 LEGO HERO Factory Accessory Pack Retired 2013 - Poly bag $24.95
+119.8%
(US) Hero Factory 40084 Brain Attack Polybag 2013 New Sealed 6Pcs LEGO 6045477 $26.94
+137.4%
(US) Hero Factory 40084 Brain Attack Polybag 2013 New Sealed 6Pcs +LEGO 5002941 $27.88
+145.6%
Picked for your region

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 40084 Accessory Pack.

Sale Trends

This chart shows the sales trends of new/sealed 40084 Accessory Pack.

Market Momentum

Bearish
40084 Accessory Pack has slipped over the last three months, as more copies hit the market. Despite this recent drop, it still grew faster than similar retired HERO Factory sets over the past year. The set includes an exclusive black evil brain and flame sword for villain builds.
SupplyTypical for HERO Factory
Listings up 40% this month
12 months agoToday
Growth vs peers+7% typical for HERO Factory
+34% over the past year
12 months agoToday
Outlook:63% bearish·18% neutral·19% bullish
Why it's moving, signals and outlook

Compared with other HERO Factory sets

#87 of 88
By growth since retail, +127%
+66%+2,460%
In the bottom quarter of the group.
#42 of 87 retired HERO Factory sets from 2010 on
Used value as a share of new, 26%
6%94%
In the top half of the group.
Top sets by growthSince retail
12067 Evo 2.0+2,460%
22065 Furno 2.0+2,277%
32063 Stormer 2.0+2,259%
8740084 Accessory Pack+127%

More sets in HERO Factory

44014 JET ROCKA

Theme / Subtheme HERO Factory / Brain Attack
Year 2013
Pieces 290
Availability Retired
44014 LEGO HERO Factory JET ROCKA
Retail $34.99
Value $141.46
Growth  +304.3%
Annual growth 8.5%

44029 Queen Beast vs. Furno, Evo & Stormer

Year 2014
Pieces / Figures 218 / 4
Availability Retired
44029 LEGO HERO Factory Queen Beast vs. Furno, Evo & Stormer
Retail $34.99
Value $197.71
Growth  +465.0%
Annual growth 9.8%

66482 Super Pack 2-in-1

Theme / Subtheme HERO Factory / Value Packs
Year 2013
Pieces 215
Availability Retired
66482 LEGO HERO Factory Super Pack 2-in-1
Retail $29.99
Value $300.90
Growth  +903.3%
Annual growth 16.1%

44022 EVO XL Machine

Year 2014
Pieces / Figures 193 / 3
Availability Retired
44022 LEGO HERO Factory EVO XL Machine
Retail $24.99
Value $121.87
Growth  +387.7%
Annual growth 8.2%

44028 SURGE & ROCKA Combat Machine

Year 2014
Pieces / Figures 188 / 4
Availability Retired
44028 LEGO HERO Factory SURGE & ROCKA Combat Machine
Retail $24.99
Value $238.94
Growth  +856.1%
Annual growth 13.1%

66483 Value Pack 3-in-1

Theme / Subtheme HERO Factory / Value Packs
Year 2013
Pieces 158
Availability Retired
66483 LEGO HERO Factory Value Pack 3-in-1
Retail $39.99
Value $88.74
Growth  +121.9%
Annual growth 6.3%

66484 Value Pack 3-in-1

Theme / Subtheme HERO Factory / Value Packs
Year 2013
Pieces 158
Availability Retired
66484 LEGO HERO Factory Value Pack 3-in-1
Retail $39.99
Value $174.80
Growth  +337.1%
Annual growth 8.7%

66485 Value Pack 3-in-1

Theme / Subtheme HERO Factory / Value Packs
Year 2013
Pieces 155
Availability Retired
66485 LEGO HERO Factory Value Pack 3-in-1
Retail $39.99
Value $159.35
Growth  +298.5%
Annual growth 11.2%

66471 Super Pack 2-in-1

Theme / Subtheme HERO Factory / Value Packs
Year 2013
Pieces 153
Availability Retired
66471 LEGO HERO Factory Super Pack 2-in-1
Retail $59.99
Value $133.55
Growth  +122.6%
Annual growth 6.4%

44009 DRAGON BOLT

Theme / Subtheme HERO Factory / Brain Attack
Year 2013
Pieces 149
Availability Retired
44009 LEGO HERO Factory DRAGON BOLT
Retail $19.99
Value $186.58
Growth  +833.4%
Annual growth 12.3%

66481 Ultimate Stormer

Theme / Subtheme HERO Factory / Value Packs
Year 2013
Pieces 129
Availability Retired
66481 LEGO HERO Factory Ultimate Stormer
Retail $12.99
Value $236.51
Growth  +1720.7%
Annual growth 10.0%

44025 BULK Drill Machine

Year 2014
Pieces / Figures 113 / 2
Availability Retired
44025 LEGO HERO Factory BULK Drill Machine
Retail $14.99
Value $59.50
Growth  +296.9%
Annual growth 8.7%

44021 SPLITTER Beast vs. FURNO & EVO

Year 2014
Pieces / Figures 108 / 2
Availability Retired
44021 LEGO HERO Factory SPLITTER Beast vs. FURNO & EVO
Retail $19.99
Value $103.10
Growth  +415.8%
Annual growth 9.7%

44000 FURNO XL

Theme / Subtheme HERO Factory / Brain Attack
Year 2013
Pieces 103
Availability Retired
44000 LEGO HERO Factory FURNO XL
Retail $19.99
Value $250.00
Growth  +1150.6%
Annual growth 13.8%

44027 BREEZ Flea Machine

Year 2014
Pieces / Figures 102 / 2
Availability Retired
44027 LEGO HERO Factory BREEZ Flea Machine
Retail $14.99
Value $51.42
Growth  +243.0%
Annual growth 7.4%

66488 Ultimate Evo

Theme / Subtheme HERO Factory / Value Packs
Year 2013
Pieces 92
Availability Retired
66488 LEGO HERO Factory Ultimate Evo
Retail $9.99
Value $174.29
Growth  +1644.6%
Annual growth 21.1%

44020 FLYER Beast vs. BREEZ

Year 2014
Pieces / Figures 91 / 1
Availability Retired
44020 LEGO HERO Factory FLYER Beast vs. BREEZ
Retail $14.99
Value $74.96
Growth  +400.1%
Annual growth 9.9%

44019 ROCKA Stealth Machine

Year 2014
Pieces / Figures 89 / 2
Availability Retired
44019 LEGO HERO Factory ROCKA Stealth Machine
Retail $14.99
Value $73.81
Growth  +392.4%
Annual growth 8.0%

44017 STORMER Freeze Machine

Year 2014
Pieces / Figures 88 / 3
Availability Retired
44017 LEGO HERO Factory STORMER Freeze Machine
Retail $14.99
Value $89.29
Growth  +495.7%
Annual growth 9.0%

44026 CRYSTAL Beast vs. BULK

Year 2014
Pieces / Figures 83 / 1
Availability Retired
44026 LEGO HERO Factory CRYSTAL Beast vs. BULK
Retail $14.99
Value $84.24
Growth  +462.0%
Annual growth 10.5%

44018 FURNO Jet Machine

Year 2014
Pieces / Figures 79 / 2
Availability Retired
44018 LEGO HERO Factory FURNO Jet Machine
Retail $14.99
Value $80.61
Growth  +437.8%
Annual growth 9.0%

44010 STORMER

Theme / Subtheme HERO Factory / Brain Attack
Year 2013
Pieces 69
Availability Retired
44010 LEGO HERO Factory STORMER
Retail $12.99
Value $97.05
Growth  +647.1%
Annual growth 11.9%

44008 SURGE

Theme / Subtheme HERO Factory / Brain Attack
Year 2013
Pieces 66
Availability Retired
44008 LEGO HERO Factory SURGE
Retail $12.99
Value $99.99
Growth  +669.7%
Annual growth 10.3%

44005 BRUIZER

Theme / Subtheme HERO Factory / Brain Attack
Year 2013
Pieces 62
Availability Retired
44005 LEGO HERO Factory BRUIZER
Retail $12.99
Value $58.84
Growth  +353.0%
Annual growth 7.8%

44011 FROST BEAST

Theme / Subtheme HERO Factory / Brain Attack
Year 2013
Pieces 60
Availability Retired
44011 LEGO HERO Factory FROST BEAST
Retail $12.99
Value $76.95
Growth  +492.4%
Annual growth 9.5%

Accessory Pack Questions

How much is LEGO 40084 Accessory Pack worth today?

Sealed in its box, Accessory Pack is valued at $11, with most sales landing between $11 and $15. A used copy in good condition goes for about $3.

Has LEGO 40084 Accessory Pack been retired?

Yes. Accessory Pack left LEGO's shelves in August 2013 after a run of 1 month. Sealed copies are now found only on the secondary market, so the price follows what collectors will pay.

How has LEGO 40084 Accessory Pack performed since its release?

Accessory Pack has gained 127% on its original retail price of $4.99, or roughly 4% a year on average. That trails the HERO Factory average of 9% a year.

What is the one-year forecast for LEGO 40084 Accessory Pack?

BrickEconomy's forecast puts Accessory Pack near $12 in twelve months, about 7% more than today. That is the view for the year ahead. In the short term the market reads bearish. Demand, supply and price signals are leaning downward. This is an estimate and markets can change.

How many pieces are in LEGO 40084 Accessory Pack?

The set contains 6 pieces, about $0.83 each at retail.

Get a value badge
Show this set's value on your website or blog.
Collect and battle with the exclusive black evil brain!

Add the exclusive black evil brain and flame sword to your Hero Factory battles! Attach the black evil brain and flame sword to any Hero Factory villain to transform him for battle! Collect this exclusive accessory pack for even better buildable battles.

Features removable black evil brain that attaches to buildable figures and flame sword
Description provided by LEGO©