LEGO 8517 Humungousaur is a Ben 10 set valued at $69 for new and sealed sets, up 362% from an original retail price of $14.99. The set retired in January 2011 with annual appreciation averaging 5.51% since. Used copies are valued between $15 and $19 depending on condition. The set's market is keeping a steady course, with an average forecast.

Humungousaur Value (New/Sealed)

This chart represents the current new/sealed value of the set Humungousaur since November 2016. Very high accuracy
LEGO 8517 Humungousaur is a Ben 10 Alien Force set released in 2010, containing 14 pieces. The build assembles a dinosaur-like version of Ben Tennyson’s Humungousaur with an Omnitrix chest symbol and glow-in-the-dark eyes. It was one of six Ben 10 sets designed to be combined to create custom alien heroes. The model reflects the series’ transformation theme tied to Humungousaur’s growth and strength powers.

New and sealed, Humungousaur is worth about $69 today. It has averaged 5.5% a year since it retired, and our forecast has it near $73 next year and $90 in five. The average used price is $16 for those in good overall condition. New and sealed listings currently range from $56 to $100. The set was available for 13 months, from December 2009 to January 2011.

For Sale (New/Sealed)

(DE) 8517 BEN 10 Alien Force Humungousaur BNIB $54.85
-20.9%
(IT) 8517 HUMUNGOUSAUR BEN 10 ALIEN FORCE - NEW SEALED NEW SEALED 2010 $55.85
-19.4%
(GR) Rare 2010 Lego 8517 Ben 10 Alien Force Humungousaur New Sealed $69.99
+1.0%
(US) Ben 10 Alien Force 8517 Humungousaur NEW Play Figure Glow in the Dark
BrickEconomy Choice
$99.99
+44.2%
Picked for your region

For Sale (Used)

(NL) Used - Complete set. No instructions or box. $15.33
(DE) Used - Ben 10 Humungousaur (8517) Collection, Figure Very Good Condition
$16.30
(US) Used - For Parts HUMUNGOUSAUR Lego Ben 10: Alien Force 8517
$17.49
(CA) Used - Ben 10 Alien Force: Humungousaur (LEGO 8517) 100% COMPLETE w/ Instructions + B...
$18.37
(US) Used - Ben 10: Alien Force Humungousaur
$19.99

Sale Trends

This chart shows the sales trends of new/sealed 8517 Humungousaur.

Market Momentum

Neutral
This set is outpacing its theme, but its forecast trails similar sets, so momentum is holding level.
Demand
High demand
12 months agoToday
Growth vs peers+14% typical for Alien Force
+69% over the past year
12 months agoToday
Outlook:7% bearish·71% neutral·22% bullish
Why it's moving, signals and outlook

Compared with other Alien Force sets

Humungousaur ranks 4th of 6 Alien Force sets. The biggest factor is that its gains over the past year ran ahead of similar sets.

#4 of 6
By growth since retail, +362%
+188%+559%
In the bottom half of the group.
#2 of 6
Used value as a share of new, 22%
18%30%
In the top quarter of the group.
All Alien Force setsValueSince retail
8410 Swampfire$99+559%
8519 Big Chill$85+467%
8409 Spidermonkey$84+461%
8517 Humungousaur$69+362%
8411 ChromaStone$60+300%
8518 Jet Ray$43+188%

Sets in Ben 10 / Alien Force

8410 Swampfire

Theme / Subtheme Ben 10 / Alien Force
Year 2010
Pieces 22
Availability Retired
8410 LEGO Ben 10 Alien Force Swampfire
Retail $14.99
Value $98.72
Growth  +558.6%
Annual growth 7.9%

8411 ChromaStone

Theme / Subtheme Ben 10 / Alien Force
Year 2010
Pieces 22
Availability Retired
8411 LEGO Ben 10 Alien Force ChromaStone
Retail $14.99
Value $59.93
Growth  +299.8%
Annual growth 6.1%

8409 Spidermonkey

Theme / Subtheme Ben 10 / Alien Force
Year 2010
Pieces 21
Availability Retired
8409 LEGO Ben 10 Alien Force Spidermonkey
Retail $14.99
Value $84.07
Growth  +460.8%
Annual growth 5.9%

8519 Big Chill

Theme / Subtheme Ben 10 / Alien Force
Year 2010
Pieces 20
Availability Retired
8519 LEGO Ben 10 Alien Force Big Chill
Retail $14.99
Value $85.00
Growth  +467.0%
Annual growth 7.5%

8518 Jet Ray

Theme / Subtheme Ben 10 / Alien Force
Year 2010
Pieces 16
Availability Retired
8518 LEGO Ben 10 Alien Force Jet Ray
Retail $14.99
Value $43.12
Growth  +187.7%
Annual growth 4.7%

Humungousaur Questions

How much is LEGO 8517 Humungousaur worth today?

A new, sealed copy of Humungousaur is worth about $69 today. A used copy in good condition goes for about $16.

Is LEGO 8517 Humungousaur still available?

No. Humungousaur left LEGO's shelves in January 2011 after a run of 13 months, about as long as the typical Alien Force set. Collectors now buy it on the secondary market, from sellers on sites like eBay and BrickLink.

Has LEGO 8517 Humungousaur increased in value?

Yes, by a wide margin. Since it sold for $14.99 in shops, Humungousaur has risen 362% in value, about 5.5% a year. That is in line with the Alien Force average of 5.7% a year.

How much could LEGO 8517 Humungousaur be worth in a year?

Next year's forecast for Humungousaur is $73, about 5% more than today. The short-term market reading is neutral. Demand, supply and price signals are mixed or quiet. This is an estimate and markets can change.

How many pieces are in LEGO 8517 Humungousaur?

The set contains 14 pieces ($1.07 a piece at its retail price).

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Nobody’s tougher than the mighty Humungousaur!

It’s hero time! When he transforms into the dinosaur-like Humungousaur, Ben gains the ability to grow to immense size and overpower all challengers. No one can match this alien hero’s massive size and incredible strength! Features glow-in-the-dark eyes and Omnitrix chest symbol. Collect all 6 LEGO® Ben 10 Alien Force™ sets and combine them to create your own super alien heroes!

Features an omnitrix chest symbol and glow-in-the-dark eyes Measures 9" (23cm) tall Complete your force of all 6 LEGO Ben 10 Alien Force sets!
Description provided by LEGO©