Explore the Cosmos!
With this 526-piece Technic Orrery

Build your own interactive model of the Earth, Moon, and Sun in orbit! Turn the crank and watch the celestial dance.

🏛 Technic
Set #42179

Planet Earth and Moon in Orbit

Planet Earth and Moon in Orbit is a fascinating educational model.

🏆 Best For: Perfect for science enthusiasts and families looking for an educational and engaging building experience. ⏱ 3 hr build 🧩 526 pcs
★★★★☆ 4.1

Fans appreciate the set's educational value and the engaging building experience. Some reviewers mention it's a great way to teach kids about science. Criticisms focus on the simplicity of the build for experienced Technic fans.

📝 Our Take

Planet Earth and Moon in Orbit is a fascinating educational model. This Technic set realistically demonstrates the Earth's axial tilt and the Moon's orbit, making it both a fun build and a great learning tool.

This set is perfect for science enthusiasts, educators, and families. The building experience is engaging and offers a hands-on way to understand complex concepts. It's also a great display piece for a classroom or home office.

Skip this if you're looking for complex Technic challenges. While educational, the build is relatively straightforward. Consider a more intricate Technic vehicle if you want a difficult build.

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How accurately does the model represent the actual Earth-Moon relationship? What are the key Technic principles demonstrated in this set? How does this set compare to other educational LEGO models in terms of value? Where is the best place to display this set to maximize its visual impact?

🧱 Building Experience

🧩
526
Pieces
3h
Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Demonstrates the Earth's axial tilt and the Moon's orbit
  • Uses Technic gears and axles to create a working model
  • Visually appealing display piece
  • Easy to understand instructions for builders of all ages

📈 Investment Analysis

↓ Price declining
C+
Investment Grade
⏳ Active
This set has modest investment potential. Its educational theme and functionality give it some appeal beyond typical LEGO collectors. The price point is reasonable, but the piece count is relatively low. Appreciation will likely be slow and steady, driven by its uniqueness rather than high demand. Keep an eye on retirement announcements to maximize potential returns.

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

Compare Similar Sets

This set is unique in its focus on Earth and Moon mechanics. While there aren't many direct competitors, similar educational sets like LEGO Boost or Mindstorms offer more advanced programming and robotics features. This set stands out for its simplicity and visual representation of astronomical concepts.

📦 Full Parts Inventory - 100 unique parts • 460 total pieces

Sticker Sheet for Set 42179-1 Sticker Sheet for...
Part #: 10105335 [No Color/Any Color]
Technic Gear 8 Tooth [Reinforced] Technic Gear 8 To...
Part #: 10928 Dark Bluish Gray
Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Technic Axle Pin ...
Part #: 11214 Red
Technic Beam 1 x 5 Thin with Axle Holes on Ends Technic Beam 1 x ...
Part #: 11478 Red
Technic Beam 1 x 5 Thin with Axle Holes on Ends Technic Beam 1 x ...
Part #: 11478 Light Bluish Gray
Technic Axle 5 with Stop Technic Axle 5 wi...
Part #: 15462 Reddish Brown
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Technic Gear 20 T...
Part #: 18575 Black
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Technic Axle Pin ...
Part #: 18651 Black
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 Black
Plate Special 1 x 2 with Pin Hole Underneath Plate Special 1 x...
Part #: 18677 Light Bluish Gray
Technic Turntable Large Type 3 Base Technic Turntable...
Part #: 18939 Light Bluish Gray
Bar 2L with Towball Bar 2L with Towball
Part #: 22484 Dark Bluish Gray
Technic Pin Connector Hub with 1 Axle Technic Pin Conne...
Part #: 22961 Black
Technic Beam 1 x 7 Thick with Alternating Holes Technic Beam 1 x ...
Part #: 2391 Dark Bluish Gray
Technic Beam 1 x 7 Thick with Alternating Holes Technic Beam 1 x ...
Part #: 2391 Black
Technic Gear Rack 1/4 Circle 11 x 11, 35 Teeth Technic Gear Rack...
Part #: 24121 Black
Slope Curved 3 x 2 No Studs Slope Curved 3 x ...
Part #: 24309 White
Technic Axle 3 with Stop Technic Axle 3 wi...
Part #: 24316 Reddish Brown
Technic Beam 3 x 5 L-Shape with Alternating Holes Technic Beam 3 x ...
Part #: 2477 Black
Plate Special 2 x 2 with 2 Pin Holes Plate Special 2 x...
Part #: 2817 Light Bluish Gray
Plate 2 x 4 Plate 2 x 4
Part #: 3020 White
Plate 2 x 3 Plate 2 x 3
Part #: 3021 White
Plate 2 x 2 Plate 2 x 2
Part #: 3022 White
Plate 1 x 2 Plate 1 x 2
Part #: 3023 White
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b White
Technic Pin 3/4 Technic Pin 3/4
Part #: 32002 Tan
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Dark Bluish Gray
Technic Axle and Pin Connector Angled #3 - 157.5° Technic Axle and ...
Part #: 32016 Black
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 Dark Bluish Gray
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 White
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 11× Red
Technic Axle 5 Technic Axle 5
Part #: 32073 Yellow
Technic Axle 5 Technic Axle 5
Part #: 32073 Light Bluish Gray
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b Yellow
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 Black
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 White
Technic Gear 12 Tooth Double Bevel Technic Gear 12 T...
Part #: 32270 Black
Technic Beam 1 x 15 Thick Technic Beam 1 x ...
Part #: 32278 Light Bluish Gray
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 Black
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 Dark Bluish Gray
Technic Ball Joint Technic Ball Joint
Part #: 32474 Light Bluish Gray
Technic Gear 36 Tooth Double Bevel Technic Gear 36 T...
Part #: 32498 Black
Technic Beam Round 15 x 15 Technic Beam Roun...
Part #: 3250 Reddish Orange
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 Black
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 Blue
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Red
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Black
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Dark Bluish Gray
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 Black
Slope Curved 2 x 2 x 2/3 Inverted Slope Curved 2 x ...
Part #: 32803 Light Bluish Gray
Technic Gear 20 Tooth Double Bevel with Clutch on Both Sides Technic Gear 20 T...
Part #: 35185 Blue
Technic Gear 24 Tooth [New Style with Single Axle Hole] Technic Gear 24 T...
Part #: 3648b Dark Bluish Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 Yellow
Technic Axle 4 Technic Axle 4
Part #: 3705 Red
Technic Axle 8 Technic Axle 8
Part #: 3707 Black
Technic Axle 12 Technic Axle 12
Part #: 3708 Black
Technic Bush Technic Bush
Part #: 3713 11× Light Bluish Gray
Wheel 57 x 14 with 4 Spokes with 2 Holes and Black Integral Tire Wheel 57 x 14 wit...
Part #: 39367pat0002 Black
Technic Beam Frame 7 x 11 Technic Beam Fram...
Part #: 39794 Black
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 Dark Bluish Gray
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 Black
Technic Beam 1 x 13 Thick Technic Beam 1 x ...
Part #: 41239 Black
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 Black
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 Dark Bluish Gray
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 Black
Technic Axle Connector with Axle Hole [Reinforced] Technic Axle Conn...
Part #: 42135 Black
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 Light Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Technic Pin Long ...
Part #: 42924 48× Blue
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 10× Blue
Technic Panel Dome 5 x 5 with Pin Holes with Earth, Southern Hemisphere print Technic Panel Dom...
Part #: 4412pr0001 Blue
Technic Panel Dome 5 x 5 with Pin Holes with Earth, Northern Hemisphere print Technic Panel Dom...
Part #: 4412pr0002 Blue
Technic Panel Dome 11 x 11 with Pin Holes Technic Panel Dom...
Part #: 4413 Bright Light Orange
Technic Axle 7 Technic Axle 7
Part #: 44294 Light Bluish Gray
Technic Axle 7 Technic Axle 7
Part #: 44294 Yellow
Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] Technic Pin Conne...
Part #: 44874 Light Bluish Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 11× Light Bluish Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 Yellow
Technic Pin Connector 3L with 2 Pins and Center Hole [Pin Ridges Across Part] Technic Pin Conne...
Part #: 46189 Black
Technic Tooth 1 x 3 with Axle Hole [Hollow Underside] Technic Tooth 1 x...
Part #: 48267 Pearl Gold
Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Along Part) Technic Pin Conne...
Part #: 49130 Light Bluish Gray
Train Wheel Small, hole notched for wheels holder pin Train Wheel Small...
Part #: 50254 Black
Technic Axle 5.5 with Stop [Rounded Short End] Technic Axle 5.5 ...
Part #: 59426 Dark Bluish Gray
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 11× Black
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 Black
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 Dark Bluish Gray
Technic Beam 3 x 3 T-Shape Thick Technic Beam 3 x ...
Part #: 60484 Dark Bluish Gray
Technic Pin with Friction Ridges Lengthwise with No Center Slots Technic Pin with ...
Part #: 61332 Black
Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole Technic Beam 3 x ...
Part #: 61408 Black
Technic Universal Joint 3L [Complete Assembly] Technic Universal...
Part #: 61903 Light Bluish Gray
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 Pearl Gold
Technic Axle and Pin Connector Perpendicular Triple Technic Axle and ...
Part #: 63869 Light Bluish Gray
Bar 6L with Stop Ring Bar 6L with Stop ...
Part #: 63965 Black
Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick Technic Beam Fram...
Part #: 64179 Black
Technic Axle Pin 3L without Friction Ridges and 2L Axle Technic Axle Pin ...
Part #: 65249 White
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Technic Pin Long ...
Part #: 65304 26× Light Bluish Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Blue
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Light Bluish Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 White
Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes] Technic Pin Conne...
Part #: 65487 Black
Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Square Holes] Technic Pin Conne...
Part #: 65487 Blue
Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes) Technic Pin Conne...
Part #: 65489 Light Bluish Gray
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 Tan
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 Red
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 Black
Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Technic Pin with ...
Part #: 66906 Red
Technic Beam 1 x 15 Thick with Alternating Holes Technic Beam 1 x ...
Part #: 71710 Black
Technic Beam Round 11 x 11 Technic Beam Roun...
Part #: 77107 Dark Bluish Gray
Technic Pin Long 3l, No Friction Ridges, with Stop and Hole Technic Pin Long ...
Part #: 77765 Light Bluish Gray
Technic Axle 4 with Stop Technic Axle 4 wi...
Part #: 87083 Dark Bluish Gray
Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes Technic Pin Conne...
Part #: 87408 Black
Technic Turntable Large Type 4 Top, 60 Tooth Technic Turntable...
Part #: 88738 Black
Technic Pin 1/2 with Friction Technic Pin 1/2 w...
Part #: 89678 Red
Slope Curved 4 x 2 No Studs Slope Curved 4 x ...
Part #: 93606 White
Technic Gear 16 Tooth Reinforced [New Style] Technic Gear 16 T...
Part #: 94925 Light Bluish Gray
Technic Axle 4 with Centre Stop Technic Axle 4 wi...
Part #: 99008 Tan
Technic Turntable Small Top Technic Turntable...
Part #: 99009 Light Bluish Gray
Technic Turntable Small Base, 28 Tooth Technic Turntable...
Part #: 99010 Black
The set includes a good assortment of Technic pins and axles in various lengths. The presence of blue and light bluish gray parts provides a decent range for MOC builders focused on Technic models.

🛒 Where to Buy

LEGO
✓ In Stock
$74.99
Target
✓ In Stock
$74.99
Walmart
✓ In Stock
$74.99
eBay
Amazon

💎 Notable Parts

Blue Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot (48x) $2.40
Light Bluish Gray Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] (26x) $1.30
Black Technic Beam 1 x 13 Thick (6x) $0.90
Black Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle (8x) $0.80
Est. BrickLink Part Value
$5.40

💡 MOC Potential

🚀 Create a more detailed lunar lander model
🌳 Expand the Earth model to include continents and oceans
🚗 Build a simple motorized rover to explore the moon

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 Technic Planet Earth and Moon in Orbit (42179) set receives neutral reviews from LEGO YouTubers, with a 3.0/5 overall rating. While reviewers like Tiago Catarino and RacingBrick provide detailed building reviews, there isn't a strong consensus of overwhelmingly positive or negative opinions regarding the set's design or functionality.

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 Technic Planet Earth and Moon in Orbit (42179) set receives neutral reviews from LEGO YouTubers, with a 3.0/5 overall rating. While reviewers like Tiago Catarino and RacingBrick provide detailed building reviews, there isn't a strong consensus of overwhelmingly positive or negative opinions regarding the set's design or functionality.

What the Community Says

4 YouTube reviews
BlockTalk AI Summary

RacingBrick offers a detailed building review, while Alex Nunes focuses on the working model aspect of the Earth and Moon's orbit. Sariel's Bricks & Pets provides an in-depth review, suggesting a thorough examination of the set's features, but no strong opinions are voiced.

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

Charts Inventory Statistics

100
Unique Parts
460
Total Pieces
0
Minifigures
Inventory Version: 1