Solar System Planets in Orbit (42254)
Prices last checked: 8 November 2026 at 04:31
Available from
Price analysis
Not enough price data yet for a detailed analysis. We're tracking this set and will have insights available soon.
Price History & Buying Verdict
- •Price-per-piece is high for the Technic theme (value score 3.0/10), collectors and display-piece buyers will value it more than piece-count buyers.
We're still building up the price history for LEGO Solar System Planets in Orbit (42254). Once we have a few weeks of data across LEGO.com and our tracked retailers, we'll show you the lowest recorded price, monthly averages, and a buy/wait recommendation here.
Want to see how LEGO Solar System Planets in Orbit (set 42254) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.
Description
Solar System Planets in Orbit (42254) is a LEGO Technic set with 572 pieces, with an RRP of £89.99. It's currently available from £89.99 at LEGO.com. With a value score of 3.0/10, this set is priced higher per piece than most Technic sets.
SpecificationsBring the solar system into your home as 8 planets orbit the Sun, turning STEM learning into a hands-on journey through the wonders of space with this learning toy for budding astronomers ages 10 and up. Set the solar system model in motion using a hand-cranked gear mechanism and watch the planets move at their own speeds. To reset the mechanism, simply align the planets by hand. Featuring individual fact-filled information panels for every planet, the model doubles as an educational exploration tool and a dynamic centerpiece. Put astronomy and physics into the hands of curious kids with this fun and fascinating gift idea. Measuring over 15 in. (38 cm) wide, it will look out of this world on display in any space lover’s room. And with the LEGO Builder app, kids are empowered to tackle complex builds with ease. With 3D digital instructions, they can rotate and zoom in on models to master building independently.Set contains 572 pieces.
Features
- EXPLORE THE SOLAR SYSTEM – Brings the wonders of the galaxy into the home with this space-themed toy for kids ages 10 and up, showing all 8 planets in motion around the Sun
- SEE PLANETS IN MOTION – This STEM learning toy brings astronomy to life through mechanical play as kids see each planet move at its own speed
- BUILD KNOWLEDGE – Learn about each planet with individual fact-packed information panels, making this solar system model an educational space exploration tool as well as a dynamic display model
- CONTROL THE COSMOS – Move all 8 planets simultaneously using a hand cranked gear mechanism; reset the model by moving all planets in line by hand
- GIFT IDEA FOR SPACE LOVERS – Put astronomy and physics into the hands of curious kids with this fun and fascinating gift for budding astronomers ages 10 and up
- EXPAND THE FUN – Check out the full range of LEGO® Technic™ building kits to discover many more engineering and STEM construction sets, sold separately
- BUILD WITH CONFIDENCE – The LEGO® Builder app breaks down each set into detailed steps, allowing kids to rotate and zoom in on models in 3D
- DIMENSIONS – This 572-piece set measures over 10.5 in. (27 cm) high and 10 in. (26 cm) wide when the planets are aligned, and over 15 in. (38 cm) wide when the outermost planets are farthest apart
Frequently Asked Questions about Solar System Planets in Orbit
What is the best price for LEGO Solar System Planets in Orbit (Set 42254)?
LEGO Solar System Planets in Orbit (Set #42254) is currently priced at £89.99 on LEGO.com. We continuously monitor prices across multiple UK retailers to find you the best deals.
How many pieces are in LEGO set 42254?
LEGO Solar System Planets in Orbit (Set #42254) contains 572 pieces. At the best available price of £89.99, that works out to approximately 15.7p per piece.
What age is LEGO Solar System Planets in Orbit suitable for?
LEGO Solar System Planets in Orbit (Set #42254) is recommended for ages 10+. This set is part of the LEGO Technic theme. View all Technic sets and deals.
Where can I find the building instructions for LEGO Solar System Planets in Orbit?
You can download the official building instructions for LEGO Solar System Planets in Orbit (Set #42254) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.
Where can I buy LEGO Solar System Planets in Orbit in the UK?
Is LEGO Solar System Planets in Orbit good value for money?
Comparing piece-count to price across the LEGO Technic theme, this set scores 3.0 / 10 for value. That works out to about 15.7p per piece. That sits below the Technic average, you're paying for design, licensing, or scale rather than sheer brick count. Display-piece and collector buyers usually still consider that fair. Compare against other contenders on our best-value LEGO sets page.
More Technic Sets
View all Technic →
Similar Price Range
Explore More LEGO Deals & Guides
If you're hunting for the cheapest LEGO sets in the UK, browse our curated guides and price-tracking pages.
