Planet Earth and Moon in Orbit

LEGO^® Technic 42179 Planet Earth and Moon in Orbit

Name: LEGO® Technic Planet Earth and Moon in Orbit 42179
Brand: LEGO
SKU: 42179
Availability: InStock

Technic

The Lego set Planet Earth and Moon in Orbit with the Lego number 42179 is part of the LEGO Technic theme and is recommended for ages 10+. The set was released in March of 2024. The model consists of a total of 526 parts and we estimate it takes you around 1 - 2 hours to build it. 214 Brickfact users have this set in their collection.

The set weighs around 1.020 kg in total. The recommended retail price is $74.99.

Our Brickfact Lego price comparison compares prices from 1 shop for this set. Currently Walmart.com has the lowest delivered price, including shipping, at $89.99. This corresponds to a per piece price of $0.17. Unfortunately the set is not available with a discount anymore.

The Part-Out-Value (POV) is the sum of all part prices paid on bricklink.com for this set. It is about $107.79. You save around $17.80 if you buy this set directly at Walmart.com instead of purchasing the bricks on bricklink.com. Therefore, the current best offer has a POV rate of 1.2. The POV Rate is the ratio of Part-Out-Value to the current best price on Brickfact.com.

LEGO 42179 price comparison

Prices incl. shipping to the US

Walmart.comBest price

iFurther information

Lego 42179 product data

Set Information

Set ID

42179

Theme

Technic

Pieces

526

Building Time

1 - 2 hours

Age Range

10+

Availability

Release

03/2024

Retiring Status

Retiring Soon (12/2026)

Price Information

RRP

$74.99

Insiders Points (for purchase at Lego)

488

Part Out Value

$107.79

Packaging

Weight

1.020 kg

EAN (GTIN13)

5702017584133

LEGO 42179 price history

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $89.99 (yesterday).

Current best price: $89.99 +20% vs. RRP
Best price since 10/12/2026: $89.99 +20% vs. RRP · yesterday

Lowest price per retailer (since 10/12/2026)

Retailer	Current	Lowest price	Date
Walmart.com	$89.99	$89.99	10/13/26

As of: 10/13/2026, 20:01 UTC

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon and eBay offers are not included in the price history.

Popularity with Brickfact users

users have this set: 214
buyers in the last 12 months: 51

214 Brickfact users have Planet Earth and Moon in Orbit in their collection. 51 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of October 13, 2026.

LEGO 42179 market value

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value: $65.64
Market value vs. RRP: −12.5 % $74.99
Range: $62.59 – $67.91
Average: $64.97

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Official Set Description for LEGO 42179 Planet Earth and Moon in Orbit

Curious kids aged 10+ will love learning more about our solar system with this LEGO® Technic™ Planet Earth and Moon in Orbit (42179) space toy set for kids. The interactive set makes it easy to understand different concepts like the orbit of the Earth and the Moon, the Earth’s gravitational pull and how the rotations affect the seasons. Cool features include a crankshaft that boys and girls can turn to create the rotations. There are also printed months and moon phases to show the progress of the Earth, Sun and Moon throughout the year. This set makes a great gift for kids who love planet toys. Check out more space gifts (sold separately) in the LEGO Technic range.
LEGO Technic building toys for kids include true-to-life details that introduce young LEGO builders to engineering through imaginative play. Give your youngster an easy and intuitive building adventure with the LEGO Builder app, where they can zoom in and rotate models in 3D, save sets and track their progress.

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
A space gift for kids – This set makes a fun gift for kids aged 10 and up 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

Building Instruction for LEGO 42179 Planet Earth and Moon in Orbit

Part Lists for LEGO 42179 Planet Earth and Moon in Orbit

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 42179 Frequently Asked Questions

When was LEGO 42179 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 42179 was $89.99 on 10/12/2026 at Walmart.com, including shipping. Amazon and eBay prices are not included.