Throwback to Throwbots!
Launch into action with Millennium!

Revisit the early 2000s with this classic Technic set. Featuring a spring-action disc launcher for hours of target practice and battling fun!

🏛 Throwbot Slizer
Set #8520

Millennium/Millennia

Millennium is a standout set from the Throwbot Slizer line.

Before you buy

Who it's for
Intermediate build LEGO fans interested in Technic and Throwbot Slizer themes
Build
135 pieces · about 2 hours Build time is an estimate.
Availability
Likely retired
★★★★☆ 4.0 community rating

Fans appreciate the unique throwing function and the set's nostalgic value from the Throwbot Slizer line. However, some find the design somewhat basic compared to more modern Technic sets.

📝 Our Take

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

Millennium is a standout set from the Throwbot Slizer line. Released in 2000, it features a unique design with Technic elements and a cool throwing function, making it both a fun toy and an interesting piece for collectors.

This set is perfect for LEGO enthusiasts who appreciate the Throwbot Slizer theme and Technic builds. It offers a moderately challenging build suitable for both kids and adults, and it's a great addition to any collection of early 2000s LEGO sets.

Skip this if you're looking for modern building techniques or licensed themes. Consider newer Technic sets or LEGO themes like Ninjago for more contemporary building experiences and play features.

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How does Millennium compare to other Throwbot Slizer sets in terms of design and playability? What are some creative ways to display Millennium to highlight its unique features? How does the set's value compare to other LEGO sets from the early 2000s? What are the key features that make Millennium a collectible LEGO set?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
135
Pieces
⏱
2h
Estimated Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Unique throwing function mechanism
  • Creative use of Technic beams and connectors
  • Interesting color scheme with black, gray, and red
  • Sturdy construction for play and display

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
Not enough price history for a trend
C+
Investment Grade
⏳ Retired
Millennium, from the Throwbot Slizer line, holds moderate investment potential. As a retired set from 2000, it appeals to collectors of vintage LEGO themes. Its relatively low piece count might limit significant appreciation, but its unique design and play features add to its desirability. The value will likely increase slowly over time, particularly if the set is kept in excellent condition with its original packaging. However, demand for the Throwbot Slizer theme is niche compared to more popular LEGO themes, which could constrain its investment growth.

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

⚖ Compare Similar Sets

Millennium stands out from other Throwbot Slizer sets due to its distinctive design and throwing mechanism. While other sets in the theme offer different functionalities and aesthetics, Millennium provides a unique building experience that combines Technic elements with play features. Collectors might choose Millennium for its unique appeal and the fun of its throwing function.

📦 Parts Inventory

Official piece count
135
Parts cataloged in this inventory
47 unique parts, 137 pieces

LEGO counts 135 pieces. This inventory comes from a separate parts catalog and lists 137; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Sticker Sheet for Set 8520-1 Sticker Sheet for...
Part #: 22953 1× [No Color/Any Color]
Technic Disc 3 x 3 Technic Disc 3 x 3
Part #: 2723 2× Black
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 12× Black
Technic Beam Triangle Thin [Type I] Technic Beam Tria...
Part #: 2905 2× Black
Technic Beam 1 x 11.5 Double Bent Thick Technic Beam 1 x ...
Part #: 32009 2× Black
Technic Axle and Pin Connector Angled #3 - 157.5° Technic Axle and ...
Part #: 32016 2× Black
Technic Beam 1 x 5 Thin Technic Beam 1 x ...
Part #: 32017 2× Black
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 6× Black
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 3× Black
Technic Axle 5 Technic Axle 5
Part #: 32073 6× Black
Technic Bush 1/2 Smooth with Axle Hole Reduced Technic Bush 1/2 ...
Part #: 32123a 6× Light Gray
Technic Pin Double with Axle Hole Technic Pin Doubl...
Part #: 32138 2× Black
Technic Block 3 x 6 x 1 & 2/3 Technic Block 3 x...
Part #: 32165 1× Metallic Gold
Technic Gearbox Half Technic Gearbox Half
Part #: 32166 2× Dark Gray
Large Figure Skeletal, Arm Forked with Flexible Center and Ball Joint Large Figure Skel...
Part #: 32168 2× Dark Gray
Large Figure Visor / Limb Cover, Armour with Millennia Gold V Print Large Figure Viso...
Part #: 32169pr0010 1× Black
Large Figure Throwing Disk, Millennia / Jet / Judge, 8 Pips, Multi-color Sectioned Globe Print Large Figure Thro...
Part #: 32171pr0036 1× Black
Large Figure Throwing Disk, Millennia, 9 Pips, Motorcycle and Throwing Disk Print Large Figure Thro...
Part #: 32171pr0061 1× Metallic Gold
Technic Pin Connector Block 3 x 3 x 1 Technic Pin Conne...
Part #: 32172 2× Black
Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints Large Figure Skel...
Part #: 32173 2× Dark Gray
Technic Axle Connector 2 x 3 with Ball Socket, Open Sides Technic Axle Conn...
Part #: 32174 4× Black
Technic Connector Block 3 x 3 Triangular with Axle, and Pin Hole Technic Connector...
Part #: 32175 2× Dark Gray
Technic Beam 1 x 7 with Fan Technic Beam 1 x ...
Part #: 32177 2× Black
Technic Panel Fairing # 1 Large Short, Large Holes, Side A Technic Panel Fai...
Part #: 32190 1× Black
Technic Panel Fairing # 1 Large Short, Large Holes, Side A Technic Panel Fai...
Part #: 32190 1× Red
Technic Panel Fairing # 2 Large Short, Large Holes, Side B Technic Panel Fai...
Part #: 32191 1× Red
Technic Panel Fairing # 2 Large Short, Large Holes, Side B Technic Panel Fai...
Part #: 32191 1× Black
Technic Gear 8 Tooth Technic Gear 8 Tooth
Part #: 3647 2× Light Gray
Technic Gear 24 Tooth [New Style with Single Axle Hole] Technic Gear 24 T...
Part #: 3648b 1× Dark Gray
Technic Axle 4 Technic Axle 4
Part #: 3705 5× Black
Technic Axle 6 Technic Axle 6
Part #: 3706 4× Black
Technic Axle 8 Technic Axle 8
Part #: 3707 1× Black
Technic Bush Technic Bush
Part #: 3713 10× Light Gray
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 2× Light Gray
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 2× Black
Tile Round 2 x 2 with Bottom Cross Tile Round 2 x 2 ...
Part #: 4150 1× Black
Technic Pin 1/2 without Friction Ridges Technic Pin 1/2 w...
Part #: 4274 2× Light Gray
Technic Worm Gear Technic Worm Gear
Part #: 4716 1× Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 2× Trans-Red
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 7× Black
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 2× Light Gray
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 1× Black
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 2× Dark Gray
Tyre 49.6 x 28 VR Tyre 49.6 x 28 VR
Part #: 6594 2× Black
Wheel 49.6 x 28 VR (36.8 x 26) with Axle Hole Wheel 49.6 x 28 V...
Part #: 6595 2× Dark Gray
Technic Pin with Friction Ridges Lengthwise and Towball Technic Pin with ...
Part #: 6628 6× Black
Technic Beam 1 x 9 Bent (6 - 4) Thick Technic Beam 1 x ...
Part #: 6629 2× Black
Technic Beam 1 x 9 Bent (6 - 4) Thick Technic Beam 1 x ...
Part #: 6629 6× Red
Hose, Ribbed 7mm D. 2L / 1.6cm Hose, Ribbed 7mm ...
Part #: 78c02 2× Red
Hose, Ribbed 7mm D. 10L / 8.0cm Hose, Ribbed 7mm ...
Part #: 78c10 2× Black
The set features a variety of Technic beams, pins, and connectors, making it a good source for MOC builders looking for functional elements. The red beams and dark gray connectors add some color variety.

🛒 Where to Buy

💎 Notable Parts

Black Technic Axle and Pin Connector Perpendicular (7x) $0.70
Red Technic Beam 1 x 9 Bent (6 - 4) Thick (6x) $1.20
Black Technic Axle 6 (4x) $0.40
Est. BrickLink Part Value
$2.30

💡 MOC Potential

🤖 Create a larger, more complex robot with advanced articulation.
🚗 Design a futuristic vehicle using the Technic elements.
🌳 Build a mechanical creature or plant.

Community Insights

Real opinions from Reddit and YouTube

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📖 Building Instructions 1

Millennium/Millennia Instructions
BUILDING INSTRUCTION FOR 8520
Download PDF

Charts Inventory Statistics

47
Unique Parts
135
Official Piece Count
137
Cataloged Inventory Pieces
0
Minifigures
2
Spare Parts

LEGO counts 135 pieces. This inventory comes from a separate parts catalog and lists 137; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Inventory Version: 1

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