Creator 3-in-1

T. rex

31151
626 pieces
Retired July 2026
BUYING ADVICE
⏳Last chance
4% OFF
Only 4% off, but retirement is imminent. This may be the last chance to buy at a discount. This set has retired and prices may rise as stock dries up. It has been as low as $47.95 (20% off), so the current deal is good but not the best we've seen. Price just dropped from $59.95.

retail price

$59.99

 

best price

$57.59

-$2.40

Lowest ever: $47.95 at Amazon US (11 Sept 2026)

This set is 4% off - watch it to get notified of even bigger drops

About LEGO T. rex

The LEGO Creator 3-in-1 range offers versatile building experiences with multiple models from a single set of bricks. This 626-piece dinosaur collection allows builders aged 9 and above to construct three distinct prehistoric creatures using the same components.

The centrepiece Tyrannosaurus rex features comprehensive articulation with movable head, tail, jaw, feet, legs, arms, toes and heels, standing over 15 cm high. The alternative builds include a triceratops with posable legs and head, plus a pterodactyl with movable wings for flight poses.

Build Options and Display

Each of the three dinosaur models can function as a standalone display piece, suitable for bedroom shelving after play sessions. The set encourages creative rebuilding, with instructions provided for transforming between the T. rex, triceratops and pterodactyl designs.

The modular brick selection supports imaginative storytelling across different prehistoric scenarios, from jungle exploration with the T. rex to aerial adventures with the pterodactyl. The substantial piece count ensures detailed construction whilst maintaining the structural integrity needed for active play and repositioning of the articulated joints.

Where to Buy LEGO T. rex for the Best Price

We've been tracking prices for this set since July 2026. The recommended retail price is $59.99. It's currently available from 7 retailers, with Staples offering the best price at $57.59, which is 4% below RRP. The lowest price we've ever recorded was $47.95 at Amazon US in September 2026, 20% off RRP. Over its tracked history, prices have ranged from $47.95 to $63.99. This set has been retired by LEGO, so remaining stock from retailers may become harder to find at or below RRP.

Set Details

Set Number
31151
Pieces
626
RRP
$59.99
Best Price
$57.59
Price per Piece
0.09p
Browse all Creator 3-in-1 sets →

Price History

Weekly view

Additional Images

Price History

Staples
08/11/2026
$57.59
HobbyTown
27/10/2026
$59.99
Amazon US
27/10/2026
$59.95
Toys R Us
18/10/2026
$59.99
Kroger
17/10/2026
$59.99
LEGO
16/09/2026
$59.99
Barnes & Noble
21/08/2026
$59.99