LEGO® Technic 42179 Planet Earth and Moon in Orbit

Current best price

LEGO 42179 is currently available from $99.48 incl. shipping at Walmart.com. Only one retailer in our comparison stocks it.

Updated November 2, 2026 at 9:00 PM EST

LEGO 42179 price comparison: where is it cheapest?

Prices incl. shipping to the US ·

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information
The Lego set Planet Earth and Moon in Orbit with the set number 42179 is part of the LEGO Technic theme and is recommended for ages 10+. It was released in March 2024. The model has 526 pieces, and we estimate it takes around 1 - 2 hours to build. 218 Brickfact users have this set in their collection.
The set weighs about 1.020 kg. The box measures 38.2 x 26.2 x 9.4 cm. The recommended retail price is $74.99.
Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Walmart.com for $99.48 including shipping. That is $0.19 per piece. Unfortunately, the set is currently not available below its recommended retail price.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $107.79. You save around $8.31 if you buy the complete set at Walmart.com instead of the individual parts on bricklink.com. The current best offer therefore has a POV rate of 1.08: the Part-Out-Value divided by the current best price on Brickfact.

Lego 42179 product data

Set Information

Set ID
42179
Theme
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: how has the price changed?

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $89.99 (22 days ago).

Current best price
$99.48 +33% vs. RRP
Best price since 10/12/2026
$89.99 +20% vs. RRP · 22 days ago

Daily lowest prices at the tracked shops, including shipping. Gaps indicate days with no recorded price. The table lists each shop’s lowest price.

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

RetailerCurrentLowest priceDate
Walmart.com LogoWalmart.com$99.48$89.9910/14/26

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

Popularity with Brickfact users

users have this set
218
buyers in the last 12 months
53

218 Brickfact users have Planet Earth and Moon in Orbit in their collection. 53 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 November 2, 2026.

LEGO 42179 market value

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

Current market value
$65.73
Market value vs. RRP
−12.4 % $74.99
Range
$62.55 – $67.86
Average
$65.07

Loading price history…

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

LEGO 42179 Frequently Asked Questions

How much does LEGO 42179 Planet Earth and Moon in Orbit cost?
The lowest price in the Brickfact price comparison is currently $99.48 incl. shipping at Walmart.com. The RRP is $74.99.
Where can I buy LEGO 42179 cheapest?
Only one retailer in the Brickfact price comparison currently stocks LEGO 42179: Walmart.com ($99.48).
Is LEGO 42179 still available?
Yes, but LEGO 42179 is retiring soon. It is still available at 1 retailers in our price comparison.
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 prices are not included.

All LEGO Technic sets from 2024

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