Explore the Red Planet!
Build the Mars Exploration Rover

Embark on a journey of discovery with this 865-piece LEGO set from 2003. A classic piece for LEGO and space exploration enthusiasts.

🏛 Discovery
Set #7471

Mars Exploration Rover

The Mars Exploration Rover is a fascinating piece of LEGO history.

Before you buy

Who it's for
Ages 10+ · Intermediate build Perfect for space enthusiasts and LEGO Technic fans who enjoy building complex models with functional features.
Build
870 pieces · about 4.5 hours Build time is an estimate.
Price
$89.99 list price · 10.3¢ per piece
Availability
Likely retired
★★★★☆ 4.1 community rating from 25 ratings

Fans appreciate the realistic design and functional features of the Mars Exploration Rover, praising its educational value and display appeal. However, some find the build repetitive and the color scheme somewhat bland compared to modern sets.

MSRP
$89.99
Best Price
$80.99
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

The Mars Exploration Rover is a fascinating piece of LEGO history. Released in 2003 under the Discovery theme, this set offers a realistic depiction of the rovers that have expanded our understanding of the red planet. Its unique features, like controllable steering and moveable radar, set it apart.

This set is perfect for space enthusiasts and LEGO Technic fans. The build provides a good balance of complexity and engagement, making it suitable for older children and adults interested in a challenging yet rewarding project. The model looks great on display, too!

Skip this if you prefer minifigure-scale models or simpler builds. This set emphasizes mechanical functions and structural integrity over minifigure interaction. Consider LEGO City space sets for a minifigure-focused experience.

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Mars Exploration Rover - building tips, investment potential, comparisons, or anything else!
Try asking:
How does the build complexity compare to modern LEGO Technic sets? What are some creative ways to display this model? How does this set's value compare to other retired Discovery theme sets? What are the key differences between this model and the real Mars Exploration Rover?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
870
Pieces
⏱
4.5h
Estimated Build Time
📊
Intermediate
Difficulty
👤
10+
Ages
Build Highlights:
  • Realistic representation of the Mars Exploration Rover
  • Functional steering mechanism
  • Movable radar and adjustable solar panels
  • Sturdy construction designed to traverse 'rocky' terrain

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
↑ Trending up since release
B+
Investment Grade
⏳ Retired
The Mars Exploration Rover set presents a decent investment opportunity due to its age, unique theme, and rising price trend. As a retired set from 2003, it's becoming increasingly rare, which drives up its value among collectors. Its subject matter, real-world space exploration, also gives it a broader appeal than purely fictional themes. However, the original MSRP was relatively high for the piece count, so appreciation might be slower compared to sets with better initial value. Keep an eye on its availability and condition to maximize potential returns.

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

📖 About This Set

This detailed replica is modeled after the "robot geologists" that will explore the surface of the red planet. Ths Mars Rovers will make history in 2004, but you can create your own today!

• Controllable steering!
• Moveable radar!
• Cardboard panels
• 6 tires keep Rover steady on rocky terrain!
• Solar panels flip up for landing then unlatch!

⚖ Compare Similar Sets

Compared to modern LEGO space sets, the Mars Exploration Rover offers a more realistic and less stylized design. While sets like the LEGO City Space series focus on playability and minifigure interaction, the 7471-1 emphasizes mechanical functions and scientific accuracy. If you prefer a more detailed and challenging build experience, this set is a great alternative. However, for play features and a broader range of space-themed elements, the LEGO City sets might be a better choice.

📦 Parts Inventory

Official piece count
870
Parts cataloged in this inventory
87 unique parts, 865 pieces

LEGO counts 870 pieces. This inventory comes from a separate parts catalog and lists 865; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Rubber Band 15mm [Square Cross Section] Rubber Band 15mm ...
Part #: 23229 1× Yellow
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 1× Tan
Technic Axle Towball Technic Axle Towball
Part #: 2736 4× Light Gray
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 30× Black
Technic Beam Triangle Thin [Type I] Technic Beam Tria...
Part #: 2905 8× Dark Gray
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 2× Black
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 10× Dark Gray
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 22× Light Gray
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 5× Light Gray
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 2× Dark Gray
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 1× Black
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 24× Light Gray
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 12× Dark Gray
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 1× Dark Gray
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 15× Light Gray
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 1× Black
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 2× Dark Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 2× Light Gray
Technic Beam 3 x 3 L-Shape Thin Technic Beam 3 x ...
Part #: 32056 2× Light Gray
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 49× Black
Technic Knob Wheel Technic Knob Wheel
Part #: 32072 6× White
Technic Axle 5 Technic Axle 5
Part #: 32073 14× Light Gray
Technic Bush 1/2 Smooth with Axle Hole Reduced Technic Bush 1/2 ...
Part #: 32123a 31× Tan
Technic Bush 1/2 Smooth with Axle Hole Reduced Technic Bush 1/2 ...
Part #: 32123a 16× Light Gray
Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole Technic Plate 1 x...
Part #: 32124 1× Black
Technic Pin Double with Axle Hole Technic Pin Doubl...
Part #: 32138 2× Light Gray
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 6× Light Gray
Tyre 56 x 30 R Balloon Tyre 56 x 30 R Ba...
Part #: 32180 6× Black
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 16× Light Gray
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 4× Black
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 4× Dark Gray
Technic Axle and Pin Connector Angled #4 - 135° Technic Axle and ...
Part #: 32192 2× Dark Gray
Technic Axle 5.5 with Stop [Flat Short End] Technic Axle 5.5 ...
Part #: 32209 12× Black
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] Technic Gear 20 T...
Part #: 32269 1× White
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] Technic Gear 20 T...
Part #: 32269 2× Light Gray
Technic Gear 12 Tooth Double Bevel Technic Gear 12 T...
Part #: 32270 6× Light Gray
Technic Beam 1 x 15 Thick Technic Beam 1 x ...
Part #: 32278 1× Dark Gray
Technic Beam 1 x 15 Thick Technic Beam 1 x ...
Part #: 32278 2× Light Gray
Technic Link 1 x 9 Technic Link 1 x 9
Part #: 32293 2× Black
Technic Beam 1 x 4 Thin Technic Beam 1 x ...
Part #: 32449 20× Light Gray
Brick 1 x 2 x 2 with Inside Axle Holder Brick 1 x 2 x 2 w...
Part #: 3245b 8× Tan
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 2× Dark Gray
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 7× Dark Gray
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 6× Dark Gray
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 2× Light Gray
Technic Pin Long without Friction Ridges - Single Slot Technic Pin Long ...
Part #: 32556a 5× Light Gray
Technic Gear 8 Tooth Technic Gear 8 Tooth
Part #: 3647 3× Light Gray
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Brick Sloped Inve...
Part #: 3660 1× Light Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 2× Light Gray
Technic Brick 1 x 16 [15 Pin Holes] Technic Brick 1 x...
Part #: 3703 4× Tan
Technic Axle 4 Technic Axle 4
Part #: 3705 13× Black
Technic Axle 6 Technic Axle 6
Part #: 3706 19× Black
Technic Axle 8 Technic Axle 8
Part #: 3707 5× Black
Technic Axle 12 Technic Axle 12
Part #: 3708 1× Black
Technic Bush Technic Bush
Part #: 3713 34× Light Gray
Technic Axle 10 Technic Axle 10
Part #: 3737 1× Black
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 35× Tan
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 11× White
Bracket 2 x 2 - 2 x 2 Bracket 2 x 2 - 2...
Part #: 3956 1× Light Gray
Dish 4 x 4 Inverted [Radar] Dish 4 x 4 Invert...
Part #: 3960 1× Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 3× Tan
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 2× Light Gray
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 2× Dark Gray
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 7× Light Gray
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 8× Dark Gray
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 17× Light Gray
Technic Axle and Pin Connector Perpendicular Double Split Technic Axle and ...
Part #: 41678 4× Light Gray
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 6× Dark Gray
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 12× Light Gray
Technic Pin 1/2 without Friction Ridges Technic Pin 1/2 w...
Part #: 4274 7× Blue
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 45× Blue
Technic Beam 1 x 2 Thick Technic Beam 1 x ...
Part #: 43857 4× Light Gray
Technic Axle 7 Technic Axle 7
Part #: 44294 12× Light Gray
Dish 6 x 6 Inverted (Radar) with Hollow Studs Dish 6 x 6 Invert...
Part #: 44375a 1× Light Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 48× Light Gray
Cone 1 x 1 [No Top Groove] Cone 1 x 1 [No To...
Part #: 4589 1× Light Gray
Technic Worm Gear Technic Worm Gear
Part #: 4716 1× Light Gray
Mars Rover Solar Panel, Front Panel Mars Rover Solar ...
Part #: 47521a 2× Trans-Dark Blue
Mars Rover Solar Panel, Side Panel Mars Rover Solar ...
Part #: 47521b 2× Trans-Dark Blue
Mars Rover Solar Panel, Middle Panel Mars Rover Solar ...
Part #: 47521c 2× Trans-Dark Blue
Mars Rover Solar Panel, Rear Panel Mars Rover Solar ...
Part #: 47521d 1× Trans-Dark Blue
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 2× Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 6× Light Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 4× Black
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 8× Dark Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 32× Light Gray
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 10× Light Gray
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 2× Dark Gray
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 4× Black
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 24× Black
Technic Steering Knuckle Arm with Ball Joint Technic Steering ...
Part #: 6572 4× Light Gray
Technic Cam Technic Cam
Part #: 6575 2× Dark Gray
Technic Cam Technic Cam
Part #: 6575 2× Black
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 5× Dark Gray
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 3× Light Gray
Wheel 49.6 x 28 VR (36.8 x 26) with Axle Hole Wheel 49.6 x 28 V...
Part #: 6595 6× Light Gray
Technic Pin with Friction Ridges Lengthwise and Towball - Square Pin Hole Technic Pin with ...
Part #: 6628b 1× Black
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 20× Light Gray
Technic Flex Cable End - Ball Connection with Cage Technic Flex Cabl...
Part #: 6644 4× Black
Rubber Band Small 13mm (Square Cross Section) Rubber Band Small...
Part #: 71509 4× Black
Fact Book, Mars Exploration Rover Fact Book, Mars E...
Part #: 7471bk01 1× [No Color/Any Color]
Technic Pin Connector Round [No Slot] Technic Pin Conne...
Part #: 75535 1× Light Gray
Hose Rigid 3mm D. 4L / 3.2cm Hose Rigid 3mm D....
Part #: 75c04 1× White
Hose Rigid 3mm D. 10L / 8.0cm Hose Rigid 3mm D....
Part #: 75c10 2× Dark Gray
Technic Shock Absorber 10L, Damped, Soft Spring Technic Shock Abs...
Part #: 76320c02 2× Trans-Clear
Hose, Ribbed 7mm D. 2L / 1.6cm Hose, Ribbed 7mm ...
Part #: 78c02 2× Pearl Light Gray
Hose, Ribbed 7mm D. 3L / 2.4cm Hose, Ribbed 7mm ...
Part #: 78c03 1× Pearl Light Gray
Hose, Ribbed 7mm D. 5L / 4.0cm Hose, Ribbed 7mm ...
Part #: 78c05 2× Pearl Light Gray
Rubber Belt Small [15mm ID] [Round Cross Section] Rubber Belt Small...
Part #: 85543 4× White
Technic Universal Joint 4L [Complete Assembly] Technic Universal...
Part #: 9244 8× Light Gray
Technic Flex Cable 12L Technic Flex Cabl...
Part #: flex08c12 2× Very Light Gray
The set features a substantial collection of Light Gray Technic elements, ideal for builders looking to expand their inventory of axles, pins, and connectors. The black technic axles are also useful for creating sturdy structures.

🛒 Where to Buy

eBay
✓ In Stock
$80.99 →
Walmart
✓ In Stock
Compare on eBay →
$85.49
Target
✓ In Stock
Compare on eBay →
$89.99

💎 Notable Parts

Black Technic Axle 6 (19x) $2.85
Light Gray Technic Axle 3 (48x) $4.80
Light Gray Technic Beam 1 x 4 Thin (20x) $2.00
Blue Technic Axle Pin with Friction Ridges Lengthwise (45x) $4.50
Est. BrickLink Part Value
$14.15

💡 MOC Potential

🚀 Create a launch platform for the rover.
🚗 Build a futuristic lunar vehicle.
🤖 Design other robotic exploration units.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 4 videos
3.0 /5
Mixed
0% positive
BlockTalk AI

The LEGO YouTube community has shown a neutral sentiment towards the Mars Exploration Rover (7471-1) based on the analyzed videos, with a mix of reviews, builds, and modifications. While specific opinions on the original 7471 set are limited, the focus is more on showcasing the set's features and potential for modifications.

Community Sentiment

Based on 4 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0 /5
Mixed
0% positive
0
Positive
4
Mixed
0
Critical
BlockTalk AI Analysis

The LEGO YouTube community has shown a neutral sentiment towards the Mars Exploration Rover (7471-1) based on the analyzed videos, with a mix of reviews, builds, and modifications. While specific opinions on the original 7471 set are limited, the focus is more on showcasing the set's features and potential for modifications.

What the Community Says

3 YouTube reviews
BlockTalk AI Summary

BriQ Foundation unboxes and reviews the LEGO NASA Mars Rover after 17 years, highlighting the excitement of occupying Mars LEGO style. PatSonBricks showcases an RC-MOD for the Mars Rover from set 7471, demonstrating the set's adaptability for customization.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

📖 Building Instructions 2

Mars Exploration Rover Instructions
BUILDING INSTRUCTION 7471 IN
Download PDF
Mars Exploration Rover Instructions
BUILDING INSTRUCTION 7471 NA
Download PDF

Charts Inventory Statistics

88
Unique Parts
870
Official Piece Count
865
Cataloged Inventory Pieces
0
Minifigures
16
Spare Parts

LEGO counts 870 pieces. This inventory comes from a separate parts catalog and lists 865; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Inventory Version: 1

Missing a piece? Use the Missing Piece Checker.