Retiring soon2x PointsAges 9+

T. rex (31151)

Name: T. rex
Brand: LEGO
SKU: 31151

Prices last checked: 27 October 2026 at 19:56

LEGO.com4.9(4)Amazon4.7626 pieces · 8.0p each

Available From

Cheapest right now

£50.11€59.85

Amazon DE

Save £4.88

9% under £54.99 RRP

Go to Amazon DE

Delivery not known · priced in EUR, converted at the ECB rate of 23 Oct 2026

Its price range since we started watchingtoday is mid range

£35.57 lowest£58.47 highest

Also available

Amazon FR

€66.46 · Delivery not known

£55.65

same as RRP

Buy

Amazon UK

Marketplace sellers only

Argos

Not re-checked since 13 May 2026

£55.00

LEGO.comOfficial

Sets the RRP everything else is measured against

£54.99

Buy

It was £35.57 at Amazon UK in May. Checked 28 times over 264 days · average £42.24.

Building Instructions Brickset

Price Analysis

Lowest Price Ever

£35.57

at Amazon UK · May 2026

Average Price (12mo)

£42.24

Current vs Average

+38.4%

Above average

Best Month to Buy

May

Value Score

8.0/10

Price-per-piece vs theme avg

The lowest price we've recorded for T. rex is £35.57 at Amazon UK in May 2026. The current price is 38.4% above the 12-month average of £42.24. Historically, May tends to offer the best prices for this set.

Price History & Buying Verdict

VerdictBuy now

•This set is marked as retiring soon by LEGO — once production stops, prices on the secondary market typically rise significantly.
•The current price is 38.4% above the 12-month average of £42.24, so waiting for a drop may pay off.
•On price-per-piece, this is one of the better-value sets in the Creator 3-in-1 range (value score 8.0/10 vs theme average).

We've been tracking the price of LEGO Creator 3-in-1 T. rex (626 pieces) for 264 days, recording 28 data points across LEGO.com and major UK retailers. Over that period the price has dropped 6 times below previous levels, with the lowest price ever recorded being £35.57 at Amazon UK in May 2026.

The 12-month average sale price for set 31151 works out to £42.24 — that's 23.2% below the LEGO RRP of £54.99. The highest price we recorded across our tracked retailers was £58.47, giving a range of about £22.90 between the cheapest and most expensive observation.

Amazon UK has run the most price drops on this set in the period we've tracked, making it the retailer most worth watching for short-term deals. Historically, May has produced the lowest average prices for T. rex, so if you're not in a hurry it's worth bookmarking the page closer to that window.

Want to see how LEGO T. rex (set 31151) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.

Description

T. rex (31151) is a LEGO Creator 3-in-1 set with 626 pieces, with an RRP of £54.99. With a value score of 8.0/10, this set offers excellent value compared to other Creator 3-in-1 sets.

Boys and girls aged 9+ can travel back in time to play out amazing action with this T. rex (31151) dinosaur toy. The Tyrannosaurus rex toy is highly posable, so kids can move its head, feet, tail, jaw, legs, arms, and even toes and heels, into different poses. The T. rex toy also comes with a nest containing 2 small dinosaur egg elements and together they make an impressive display on a shelf or bedside table.

This LEGO® dinosaur toy building set gives kids a world of exciting play possibilities with 3 different dinosaur toys to build using the same bricks. They can create a posable T. rex, rebuild it into a fearsome triceratops with 3 horns, or turn it into a pterodactyl with large movable wings.

LEGO Creator 3in1 toy building kits makegreat birthday or holiday gifts for kids with 3 options to create in every box. 3in1 sets offer a range of brick-built models that appeal to kids’ biggest passions, including cool vehicles, amazing animals and detailed city scenes.

Features

3 dinosaur toys for kids in 1 set – LEGO® Creator T. rex dino playset lets boys and girls aged 9+ build and rebuild 3 different animal toys using the same set of bricks
Endless play possibilities – Kids role-play stories with 3 different dino toys: roaming the jungle with the T. rex, charging around with the triceratops or flying high with the pterodactyl
Posable dinosaur figures – The T. rex has a movable head, tail, jaw, feet, legs, arms, toes and heels, the triceratops has movable legs and head, and the pterodactyl has movable wings
Display models – All 3 LEGO® dinosaur toys can stand alone and be displayed by kids in their bedrooms after playtime
Gifts for dinosaur-lovers – 3in1 toy provides a fun build-and-play experience and can be given as a birthday gift for kids who love staging action with dinosaurs
More 3in1 fun – Expand the fun with other sets (sold separately) from the LEGO® Creator 3in1 range, including vehicles, animals and buildings
LEGO® Creator toys – Every 3in1 set lets kids enjoy countless hours of fun as they build 3 different models using the same set of bricks
Measurements – 626-piece LEGO® building set features a buildable Tyrannosaurus rex toy standing over 6 in. (15 cm) high

Frequently Asked Questions about T. rex

What is the best price for LEGO T. rex (Set 31151)?

LEGO T. rex (Set #31151) is currently priced at £54.99 on LEGO.com. We continuously monitor prices across multiple UK retailers to find you the best deals.

How many pieces are in LEGO set 31151?

LEGO T. rex (Set #31151) contains 626 pieces. At the best available price of £59.85, that works out to approximately 9.6p per piece.

What age is LEGO T. rex suitable for?

LEGO T. rex (Set #31151) is recommended for ages 9+. This set is part of the LEGO Creator 3-in-1 theme. View all Creator 3-in-1 sets and deals.

Where can I find the building instructions for LEGO T. rex?

You can download the official building instructions for LEGO T. rex (Set #31151) 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 T. rex in the UK?

LEGO T. rex (Set #31151) is available from 2 UK retailers including Amazon DE, Amazon FR. Prices range from £50.11 to £55.65. It's also available directly from LEGO.com at £54.99.

What is the lowest price ever recorded for LEGO T. rex?

The lowest price we've recorded for LEGO T. rex (Set #31151) is £35.57 at Amazon UK in May 2026. That's 35% off the LEGO RRP of £54.99. Track the latest movements on our LEGO price history page.

Is LEGO T. rex being discontinued or retiring soon?

Yes — LEGO T. rex is flagged as retiring soon by LEGO. Once production ends and remaining stock sells through, prices on the secondary market typically climb well above RRP. If this set is on your list, the safest window is now while retailers still have stock. Browse our list of retiring LEGO sets to see what else is on the way out.

Is LEGO T. rex good value for money?

Comparing piece-count to price across the LEGO Creator 3-in-1 theme, this set scores 8.0 / 10 for value. That works out to about 9.6p per piece. That puts T. rex in the top tier of Creator 3-in-1 sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.