Unleash the Warrior!
Build the Hydraxon of the deep

Dive into the Bionicle universe with this 165-piece set from 2007 and construct the formidable Hydraxon!

🏛 Bionicle
Set #8923

Hydraxon

8923-1 Hydraxon is an absolute powerhouse from the golden era of Bionicle 2007.

Before you buy

Who it's for
Intermediate build Perfect for Bionicle veterans, Technic enthusiasts, and fans of classic 2007 action figures
Build
165 pieces · about 1.5 hours Build time is an estimate.
Price
$19.99 list price · 12.1¢ per piece
Availability
Retired at LEGO
★★★★☆ 4.6 community rating

Fans deeply praise Hydraxon's imposing shelf presence, clever weapon storage, and functioning Cordak blaster, though some note that older ball-joint sockets can become prone to cracking over time.

MSRP
$19.99
Best Price
$17.99
You Save
10% OFF
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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

8923-1 Hydraxon is an absolute powerhouse from the golden era of Bionicle 2007. Bringing the fearsome Pit warden to life with a menacing 9-inch stature, heavy armor, and an arsenal of weaponry, this set is a standout piece of action figure building.

This set is perfect for nostalgic Bionicle fans and collectors chasing the iconic Mahri Nui storyline. The complex system of Technic frames and ball joints offers a wonderfully mechanical building experience that harks back to the classic action-figure days of the mid-2000s.

Skip this if you are uncomfortable with the high secondary market price of a retired classic. At current aftermarket valuations nearing $400, budget-conscious builders might want to admire this legendary warden from afar rather than tearing open a sealed box.

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Hydraxon - building tips, investment potential, comparisons, or anything else!
Try asking:
Does the Cordak blaster really work and how many ammo pieces are included? How does Hydraxon compare in scale and design to other 2007 Bionicle sets like the Barraki? What are the most fragile or easily lost parts of the Hydraxon set? Is it better for collectors to buy Hydraxon complete-in-box or loose with instructions?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
165
Pieces
⏱
1.5h
Estimated Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Sturdy Technic-based skeletal core providing robust articulation
  • Functioning, rapid-fire Cordak blaster mechanism
  • Intricate armor plating utilizing animal-like teeth, horns, and barbs
  • An impressive array of built-in weaponry including boomerangs and wrist knives

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
↑ Trending up since release
A-
Investment Grade
⏳ Retired
Hydraxon holds a commanding position in the secondary market, driven by intense nostalgia for the 2007 Bionicle Mahri era and a relatively low initial piece count of 165 elements. Because the theme is long retired and highly coveted by adult collectors who grew up with the storyline, complete sets with instructions and rare ammunition pieces command steep prices. However, potential investors must weigh the high entry barrier against the volatility of niche collector themes. While sealed or complete-in-box specimens have shown strong upward trajectories, buying at current inflated market values carries inherent risk if collector demand shifts. Inspecting for brittle older plastic and missing projectiles remains crucial when assessing long-term holding value.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

Hydraxon is the powerful armored figure assigned to guard the Pit and now he's after the Barraki! A master of every known weapon, he's armed with boomerangs, wrist knives and a Cordak blaster. Runners don't have a chance when Hydraxon's on their trail! Hydraxon stands over 9" (20 cm) tall! Rotating Cordak blaster really fires!

⚖ Compare Similar Sets

Compared to standard Toa Mahri sets of the same 2007 wave, Hydraxon is bulkier, taller, and comes packed with a much more extensive arsenal, justifying his role as the warden of the Pit. While typical sets from this era focused on standard elemental gimmicks, Hydraxon leans heavily into military hardware aesthetic with his unique boomerangs and Cordak launcher.

📦 Parts Inventory

Official piece count
165
Parts cataloged in this inventory
54 unique parts, 165 pieces
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 6× Black
Technic Pin 3/4 Technic Pin 3/4
Part #: 32002 2× Dark Bluish Gray
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 1× White
Technic Axle and Pin Connector Angled #5 - 112.5° Technic Axle and ...
Part #: 32015 2× Black
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 1× Light Bluish Gray
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 3× Red
Technic Axle 5 Technic Axle 5
Part #: 32073 2× Light Bluish Gray
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 1× Black
Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Technic Axle Conn...
Part #: 32174 11× Black
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 2× Black
Technic Axle and Pin Connector Angled #4 - 135° Technic Axle and ...
Part #: 32192 1× Black
Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32249 4× Black
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 2× Black
Technic Axle 4 Technic Axle 4
Part #: 3705 1× Black
Technic Axle 6 Technic Axle 6
Part #: 3706 1× Black
Technic Bush Technic Bush
Part #: 3713 2× Light Bluish Gray
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 1× Dark Bluish Gray
Technic Axle and Pin Connector Perpendicular Double Split Technic Axle and ...
Part #: 41678 2× Black
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 1× Light Bluish Gray
Technic Pin 1/2 without Friction Ridges Technic Pin 1/2 w...
Part #: 4274 2× Light Bluish Gray
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 19× Blue
Technic Axle 3 Technic Axle 3
Part #: 4519 8× Light Bluish Gray
Large Figure Skeletal, Limb, with 2 Ball Joints, and 3 Holes (Rahkshi) Large Figure Skel...
Part #: 45749 2× Black
Pneumatic T-Piece (T Bar) [New Style] Pneumatic T-Piece...
Part #: 4697b 6× Light Bluish Gray
Large Figure Skeletal, Torso with Beam, 2 Ball Joints, and 7 Tooth Half Gear Large Figure Skel...
Part #: 47306 1× Black
Large Figure Head Connector Block (Toa Metru) Large Figure Head...
Part #: 47312 1× Dark Bluish Gray
Large Figure Head Connector Block Eye/Brain Stalk (Toa Metru) Large Figure Head...
Part #: 47313 1× Trans-Neon Green
Technic Axle Connector 2 x 3 with Ball Socket and Axle Socket with Light Bluish Gray Rubber Insert Technic Axle Conn...
Part #: 47326pat0003 2× Black
Large Figure Skeletal, Limb, with 2 Ball Joints, and 3 Holes (Vahki) Large Figure Skel...
Part #: 47328 2× Black
Technic Axle and Pin Connector 2 x 7 with Two Ball Joint Sockets Technic Axle and ...
Part #: 50898 2× Dark Bluish Gray
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Animal Body Part,...
Part #: 53451 8× Pearl Light Gray
Large Figure Skeletal, Torso, Upper, with 2 Ball Joints (Toa Inika) Large Figure Skel...
Part #: 53545 1× Black
Large Figure Foot, Toa Inika Elliptical Large Figure Foot...
Part #: 53549 2× Black
Large Figure Foot, Piraka Mechanical Large Figure Foot...
Part #: 53568 2× Black
Large Figure Foot, Piraka Mechanical Large Figure Foot...
Part #: 53568 1× Pearl Light Gray
Technic Ball Joint with Through Axle Hole Technic Ball Join...
Part #: 53585 4× Black
Technic Axle and Pin Connector, Perpendicular with Extension Technic Axle and ...
Part #: 53586 2× Pearl Light Gray
Arm Mechanical with Clip [Thin Support] Arm Mechanical wi...
Part #: 53989 8× Pearl Dark Gray
Technic Axle 8 with Stop Technic Axle 8 wi...
Part #: 55013 2× Dark Bluish Gray
Launcher, Large Figure Weapon Cannon, Cordak Blaster Launcher, Large F...
Part #: 57523c01 1× Pearl Light Gray
Projectile, Large Figure Weapon, Ammo (Cordak) Projectile, Large...
Part #: 57525 9× Red
Large Figure Weapon Claw Blade, Small Large Figure Weap...
Part #: 57528 2× Pearl Light Gray
Flexible Ribbed Hose 8mm Ends 19L Flexible Ribbed H...
Part #: 57539 2× Pearl Light Gray
Large Figure Weapon Blade (Hewkii Mahri / Solek) Large Figure Weap...
Part #: 57543 2× Pearl Light Gray
Large Figure Weapon Blade, Mahri Matoran Large Figure Weap...
Part #: 57563 2× Pearl Light Gray
Large Figure Weapon Blade, Shark Tooth Large Figure Weap...
Part #: 57567 1× Pearl Light Gray
Large Figure Mask Hydraxon Large Figure Mask...
Part #: 57575 1× Pearl Light Gray
Technic Axle Connector Hub with 3 Axles at 120° Technic Axle Conn...
Part #: 57585 1× Light Bluish Gray
Large Figure Limb Cover / Back Plate (Hydruka) Large Figure Limb...
Part #: 59577 2× Pearl Light Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 2× Black
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 3× Black
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Technic Axle 1.5 ...
Part #: 6553 3× Black
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 6× Black
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 2× Dark Bluish Gray
Hose, Ribbed 7mm D. 7L / 5.6cm Hose, Ribbed 7mm ...
Part #: 78c07 4× Pearl Light Gray
An excellent parts pack for Bionicle and Technic builders, featuring valuable Red Cordak blaster ammo pieces and numerous ball-joint connectors essential for custom action figures.

🛒 Where to Buy

eBay
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Walmart
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$18.99
Target
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$19.99

💎 Notable Parts

Red Projectile, Large Figure Weapon, Ammo (Cordak) (9x) $13.50
Pearl Light Gray Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small (8x) $6.40
Pearl Dark Gray Arm Mechanical with Clip [Thin Support] (8x) $4.00
Black Technic Axle Connector 2 x 3 with Ball Socket, Open Sides (11x) $5.50
Est. BrickLink Part Value
$29.40

💡 MOC Potential

🤖 Custom Toa or Dark Hunter mechs utilizing the heavy armor plating and ball-joint system
🌳 Mutated sea-creature monsters incorporating the various pearl light gray barbs and talons

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📖 Building Instructions 1

Hydraxon Instructions
BUILDING INSTR 3005 8923
Download PDF

Charts Inventory Statistics

54
Unique Parts
165
Official Piece Count
165
Cataloged Inventory Pieces
0
Minifigures
7
Spare Parts
Inventory Version: 1

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