





LEGO Technic Planet Earth and Moon in Orbit Building Set, Outer Space Birthday Gift for 10 Year Olds, Solar System Toy for Imaginative, Independent Play, Room Décor for Boys & Girls, 42179
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Description
- Interactive model – Inspire kids to build a representation of the Earth, Sun and Moon in orbit with this LEGO Technic Planet Earth and Moon in Orbit building toy for kids aged 10 and up - Educational space toy – Kids can turn the crank to see how the Earth and the Moon orbit around the Sun - Includes months and moon phases – This solar system toy includes printed details, like the month and moon phases to help kids see how the Earth’s orbit affects our seasons. Perfect space room décor for boys and girls - A space gift for kids – This set makes a fun birthday gift for 10 year olds who love planet toys and learning more about our solar system - Intuitive instructions – The LEGO Builder app guides your youngster on an intuitive building adventure with tools that let them zoom in and rotate models in 3D, save sets and track their progress - Measurements – 526-piece set with a model measuring over 9 in. (24 cm) high, 12.5 in. (33 cm) long and 7 in. (18 cm) wide
Details
Product Information
- Brand Name
- LEGO
- Manufacturer Minimum Age (MONTHS)
- 120.0
- Sub Brand
- Space
- Model Name
- tbd Technic 42179 42179
- Model Number
- 6470661
- Age Range Description
- Kid
- Manufacturer Maximum Age (MONTHS)
- 1200.0
- Manufacturer Part Number
- 6470661
- Model Year
- 2024
- Included Components
- LEGO Building Elements
- Item Type Name
- Building Kit
- Manufacturer
- LEGO
- ASIN
- B0CGY3ZB29
- Warranty & Support
- Feedback
Style & Theme
- Color
- Multicolor
- Theme
- LEGO
- Subject Character
- Earth and Moon in Orbit
Measurements
- Number of Pieces
- 526
- Item Dimensions
- 15.04 x 10.32 x 3.7 inches
- Item Weight
- 2.23 Pounds
Features & Specs
- Educational Objective
- Concentration
- Additional Features
- Interactive orbital movement
- Toy Building Block Type
- Interlocking Toy Building Block
- Is Assembly Required
- No
Additional Details
- Material Type
- Plastic
Frequently asked questions
- What is the recommended age for this building set?
- The manufacturer minimum age is 120 months (10 years), and the manufacturer maximum age is 1200 months (100 years), with an age range description of 'Kid'.
- Does this set have any moving or interactive parts?
- Yes, it features interactive orbital movement – kids can turn the crank to see how the Earth and the Moon orbit around the Sun.
- How many pieces are included, and what are the model's dimensions?
- The set contains 526 pieces, and the completed model measures over 9 in. (24 cm) high, 12.5 in. (33 cm) long, and 7 in. (18 cm) wide.
Customer reviews

Fascinating and Educational Space-Themed LEGO Set
The LEGO Technic Planet Earth and Moon in Orbit building set is a fantastic combination of fun, education, and impressive engineering. This set offers an engaging build experience with a clever mechanical system that simulates the orbit of the Moon around Earth, making it a perfect choice for space enthusiasts and budding engineers alike. The assembly process is enjoyable and satisfying, featuring Technic elements that provide a hands-on way to understand orbital mechanics. The build quality is solid, and once completed, the rotating function works smoothly, adding a dynamic element to the display. The details on Earth and the Moon are beautifully crafted, with accurate representations and vibrant colors that make it a great educational piece for kids and adults. One of the standout aspects of this set is how it seamlessly combines playability with an educational component. It’s a great way to spark curiosity about space and planetary motion. The only minor downside is that it requires careful alignment to ensure smooth operation, but with a little patience, it works beautifully. Pros: Engaging and educational design Smooth orbital movement with Technic gears High-quality build with attention to detail Great display piece for space lovers Cons: Requires careful assembly for optimal functionality Might be too simplistic for experienced Technic builders Overall, the LEGO Technic Planet Earth and Moon in Orbit set is a fantastic addition for anyone interested in space, science, or engineering. It’s a unique blend of learning and fun, making it a perfect gift for both kids and adults.
The LEGO Technic Planet Earth and Moon in Orbit building set is a fantastic combination of fun, education, and impressive engineering. This set offers an engaging build experience with a clever mechanical system that simulates the orbit of the Moon around Earth, making it a perfect choice for space enthusiasts and budding engineers alike. The assembly process is enjoyable and satisfying, featuring Technic elements that provide a hands-on way to understand orbital mechanics. The build quality is solid, and once completed, the rotating function works smoothly, adding a dynamic element to the display. The details on Earth and the Moon are beautifully crafted, with accurate representations and vibrant colors that make it a great educational piece for kids and adults. One of the standout aspects of this set is how it seamlessly combines playability with an educational component. It’s a great way to spark curiosity about space and planetary motion. The only minor downside is that it requires careful alignment to ensure smooth operation, but with a little patience, it works beautifully. Pros: Engaging and educational design Smooth orbital movement with Technic gears High-quality build with attention to detail Great display piece for space lovers Cons: Requires careful assembly for optimal functionality Might be too simplistic for experienced Technic builders Overall, the LEGO Technic Planet Earth and Moon in Orbit set is a fantastic addition for anyone interested in space, science, or engineering. It’s a unique blend of learning and fun, making it a perfect gift for both kids and adults.

SCIENTIFICALLY ACCURATE? 🤯🤯🤯 Conversation starter, cool decoration, and fun build ALL IN ONE!
Building this set was SUPER fun!!! As a Lego Technic lover and space lover, I saw this set and immediately said "I WANT THAT ONE"! On top of a fun build process, I did some research into it and learned a lot of cool stuff, too! 🥰 Here's some interesting facts: 1. This kind of mechanical solar system diorama has a name, it's called an "orrery"! 2. This orrery makes 365 rotations for earth, and about 13 rotations for the moon per 1 year cycle 3. The tilt angle of the earth is ALSO scientifically accurate as well, making this EVEN COOLER!!! The Lego piece holding the earth has a 157.5 degree angle, 180-157.5 = 22.5 degrees, and earth's REAL tilt obliquity is 23.4 degrees, making this Lego model 0.9 degrees off from reality. (less than a single degree!!! are you kidding??? 🤯) Applying the stickers to the big round parts can be tricky, but with enough patience it's certainly doable! You may need to stick and re-stick a tiny part of them to the pieces a couple times to get their placement correct, but the adhesive is sticky enough to handle that just fine without it causing them to start peeling off afterwards. An absolutely BEAUTIFUL display piece by Lego, bravo to them... I've had many friends come over and play with it, too! Very educational, great conversation starter, and a great build to help decorate your place with 🥰
Building this set was SUPER fun!!! As a Lego Technic lover and space lover, I saw this set and immediately said "I WANT THAT ONE"! On top of a fun build process, I did some research into it and learned a lot of cool stuff, too! 🥰 Here's some interesting facts: 1. This kind of mechanical solar system diorama has a name, it's called an "orrery"! 2. This orrery makes 365 rotations for earth, and about 13 rotations for the moon per 1 year cycle 3. The tilt angle of the earth is ALSO scientifically accurate as well, making this EVEN COOLER!!! The Lego piece holding the earth has a 157.5 degree angle, 180-157.5 = 22.5 degrees, and earth's REAL tilt obliquity is 23.4 degrees, making this Lego model 0.9 degrees off from reality. (less than a single degree!!! are you kidding??? 🤯) Applying the stickers to the big round parts can be tricky, but with enough patience it's certainly doable! You may need to stick and re-stick a tiny part of them to the pieces a couple times to get their placement correct, but the adhesive is sticky enough to handle that just fine without it causing them to start peeling off afterwards. An absolutely BEAUTIFUL display piece by Lego, bravo to them... I've had many friends come over and play with it, too! Very educational, great conversation starter, and a great build to help decorate your place with 🥰


More accuracy and quality than expected
I rarely leave reviews for Lego sets, but this one was so far above and beyond that I had to do it. So many things about this set are highly accurate: the tilt of the earth, which corresponds to the proper seasons (months of the year are indicated); the number of times the moon orbits the earth per year; the map of the countries on the earth (we put a sharpie dot to indicate our location); the spin of the earth corresponds to one day while the rotation of the earth around the sun corresponds to one year; and the face of the moon consistently faces the earth. The set is stable, and well constructed. My son wants to turn the handle one “day” every day, and watch the progress of the earth around the sun for a full year. This prompted a lot of great solar system discussions and discovery, including how big and how far away the sun would be if it were accurate scale-wise, with the earth approximately the size of a golf ball. Overall, a lot more accuracy and quality than we expected!
I rarely leave reviews for Lego sets, but this one was so far above and beyond that I had to do it. So many things about this set are highly accurate: the tilt of the earth, which corresponds to the proper seasons (months of the year are indicated); the number of times the moon orbits the earth per year; the map of the countries on the earth (we put a sharpie dot to indicate our location); the spin of the earth corresponds to one day while the rotation of the earth around the sun corresponds to one year; and the face of the moon consistently faces the earth. The set is stable, and well constructed. My son wants to turn the handle one “day” every day, and watch the progress of the earth around the sun for a full year. This prompted a lot of great solar system discussions and discovery, including how big and how far away the sun would be if it were accurate scale-wise, with the earth approximately the size of a golf ball. Overall, a lot more accuracy and quality than we expected!

Best Lego with gears showing sun, earth & moon moving round in their yearly rotation!
What a fantastic Lego! My 7 year old grandson is very advanced for his age and LOVES this magnificent Stem like creation. It has rotating sun, earth, and moon with intricate gears and handles that show the movement month by month. His favorite Lego of all he’s has built. Can’t say enough great things about it.
What a fantastic Lego! My 7 year old grandson is very advanced for his age and LOVES this magnificent Stem like creation. It has rotating sun, earth, and moon with intricate gears and handles that show the movement month by month. His favorite Lego of all he’s has built. Can’t say enough great things about it.















