What age is the T. rex recommended for?

This set is recommended for ages 9+.

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🏛 Creator 3-in-1

Set #31151

T. rex

The T.

Before you buy

Who it's for: Ages 9+ · Intermediate build Perfect for dinosaur fans and LEGO enthusiasts looking for a fun and engaging building experience.
Build: 626 pieces · about 4.5 hours Build time is an estimate.
Price: $59.99 list price · 9.6¢ per piece
Availability: Retiring soon · expected exit Dec 31, 2026

★★★★☆ 4.0 community rating from 27 ratings

Fans appreciate the realistic design and posability of the T. rex, praising its display value and engaging build. Some note the repetitive nature of building the body sections, but overall it's considered a worthwhile addition to the Creator 3-in-1 lineup.

$59.99

Best Price

$53.99

You Save

10% OFF

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The T. rex is a fantastic addition to the LEGO Creator 3-in-1 lineup. This set perfectly captures the imposing nature of the king of dinosaurs with its detailed build and posable features, making it a standout model for both play and display.

This set is perfect for dinosaur enthusiasts and LEGO builders of all ages. The build process is engaging and rewarding, offering a great balance of challenge and fun. The alternate builds add even more value, making it a versatile and exciting set.

Skip this if you're looking for minifigure-scale dinosaurs or highly complex building techniques. While the T. rex is impressive, consider LEGO Jurassic Park sets for minifigure interaction or larger, more intricate dinosaur models for advanced building experiences.

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the T. rex - building tips, investment potential, comparisons, or anything else!

Try asking:

How does this T. rex compare to other LEGO dinosaur models? What are some creative ways to display the T. rex in different poses? Is this set a good value for the price, considering the piece count and building experience? How does the 3-in-1 feature enhance the overall playability and display options?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

626

Pieces

⏱

4.5h

Estimated Build Time

📊

Intermediate

Difficulty

👤

Ages

Build Highlights:

The posable limbs and head allow for dynamic displays.
The use of SNOT (Studs Not On Top) techniques creates a smooth, detailed surface.
The olive green and dark green color scheme accurately represents the T. rex's natural appearance.
The alternate builds provide additional building challenges and display options.

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

Investment Grade

⏳ Retiring soon

The LEGO Creator 3-in-1 T. rex (31151-1) presents a moderate investment opportunity. Its appeal lies in the enduring popularity of dinosaurs and the versatility of the 3-in-1 design, which allows for multiple builds from a single set. The reasonable MSRP and solid piece count enhance its accessibility to a wide range of collectors. While not a limited edition, the set's potential for appreciation is bolstered by the Creator theme's track record of retaining value. However, the absence of exclusive minifigures and the possibility of future dinosaur-themed sets could temper its long-term growth. Investors should consider purchasing at or below MSRP and holding for several years after retirement to maximize potential returns. Keep in mind that the dinosaur theme has had many LEGO sets released, so this one may not be as rare as some others.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

The T. rex offers a great alternative to larger, more expensive dinosaur sets like those in the Jurassic Park theme. Its 3-in-1 design provides more building options compared to single-model sets. It's a good choice for builders who want a detailed dinosaur model without the higher price point of licensed sets.

📦 Parts Inventory

Official piece count: 626
Parts cataloged in this inventory: 121 unique parts, 626 pieces

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Brick Curved 4 x ...

Part #: 11153 2× Olive Green

Brick Special 1 x...

Part #: 11211 2× Olive Green

Tile Round 1 x 2

Part #: 1126 2× Tan

Plate Special 1 x...

Part #: 11458 2× Dark Bluish Gray

Brick Curved 2 x ...

Part #: 11477 4× Tan

Brick Curved 2 x ...

Part #: 11477 2× Reddish Brown

Brick Curved 2 x ...

Part #: 11477 28× Olive Green

Brick Curved Inve...

Part #: 13547 2× Tan

Plate Special 1 x...

Part #: 14417 6× Dark Bluish Gray

Plate Special 1 x...

Part #: 14418 5× Light Bluish Gray

Plate Special 1 x...

Part #: 14704 1× Light Bluish Gray

Brick Curved 2 x ...

Part #: 15068 9× Dark Green

Plate Special 1 x...

Part #: 15208 6× White

Brick Round 2 x 2...

Part #: 15395 2× White

Tile Round 1 x 2 ...

Part #: 1748 2× Tan

Plate Round Half ...

Part #: 18646 8× Dark Green

Plate Special 1 x...

Part #: 18677 2× Black

Bar Holder with H...

Part #: 23443 4× Dark Bluish Gray

Plate 2 x 2 Corner

Part #: 2420 4× Dark Bluish Gray

Plant, Leaves 4 x 3

Part #: 2423 4× Sand Green

Tile Round 1 x 1 ...

Part #: 25269 16× Dark Green

Wedge Plate 2 x 2...

Part #: 26601 16× Olive Green

Brick Special 1 x...

Part #: 26604 2× Light Bluish Gray

Technic Brick 1 x...

Part #: 2730 2× Black

Brick Wedged, Cur...

Part #: 29119 8× Dark Green

Brick Wedged, Cur...

Part #: 29120 8× Dark Green

Brick 2 x 4

Part #: 3001 3× Dark Green

Brick 2 x 4

Part #: 3001 1× Tan

Brick 2 x 3

Part #: 3002 1× Black

Brick 2 x 2

Part #: 3003 2× White

Brick 1 x 2

Part #: 3004 1× Tan

Brick 1 x 2

Part #: 3004 7× Olive Green

Brick 1 x 2

Part #: 3004 2× Dark Green

Brick 1 x 1

Part #: 3005 1× Tan

Brick 1 x 1

Part #: 3005 2× Dark Green

Part #: 3009 2× Olive Green

Brick 1 x 4

Part #: 3010 3× Olive Green

Part #: 3020 7× Olive Green

Plate 2 x 4

Part #: 3020 7× Dark Green

Plate 2 x 3

Part #: 3021 2× Black

Plate 2 x 2

Part #: 3022 9× Dark Bluish Gray

Plate 2 x 2

Part #: 3022 7× Black

Plate 2 x 2

Part #: 3022 3× Tan

Plate 1 x 2

Part #: 3023 54× Olive Green

Plate 1 x 2

Part #: 3023 2× Dark Red

Part #: 3024 2× Olive Green

Part #: 30374 1× Trans-Bright Green

Brick Sloped 45° ...

Part #: 3040b 2× Dark Green

Brick Special 1 x...

Part #: 30414 2× Dark Bluish Gray

Tile 2 x 2 with G...

Part #: 3068b 1× Tan

Tile 1 x 2 with G...

Part #: 3069b 17× Dark Green

Tile 1 x 1 with G...

Part #: 3070b 16× Dark Green

Part #: 32064a 2× Black

Brick Round 2 x 2...

Part #: 3262 2× White

Plate Special 1 x...

Part #: 3386 7× Black

Plate Special 1 x...

Part #: 35480 12× Dark Bluish Gray

Plate 1 x 3

Part #: 3623 2× Yellow

Plate 1 x 3

Part #: 3623 2× Reddish Brown

Plate 1 x 3

Part #: 3623 1× Orange

Brick Sloped Inve...

Part #: 3660 1× Tan

Technic Brick 1 x...

Part #: 3700 4× Dark Bluish Gray

Technic Brick 1 x...

Part #: 3701 2× Black

Plate 1 x 4

Part #: 3710 11× Olive Green

Plate 1 x 4

Part #: 3710 8× Dark Green

Brick Sloped Inve...

Part #: 3747b 4× Tan

Technic Brick 1 x...

Part #: 3894 3× Black

Plate Angled 3 x ...

Part #: 39613 4× Black

Plate Round 2 x 2...

Part #: 4032a 6× White

Plate Round 2 x 2...

Part #: 4032a 4× Dark Bluish Gray

Animal Body Part ...

Part #: 40379 2× White

Brick Special 1 x...

Part #: 4070 2× Dark Tan

Brick Wedged, Ang...

Part #: 41767 3× Olive Green

Brick Wedged, Ang...

Part #: 41768 3× Olive Green

Wedge Plate 4 x 2...

Part #: 41769 5× Olive Green

Wedge Plate 4 x 2...

Part #: 41769 3× Dark Green

Wedge Plate 4 x 2...

Part #: 41769 1× Tan

Wedge Plate 4 x 2...

Part #: 41770 5× Olive Green

Wedge Plate 4 x 2...

Part #: 41770 1× Tan

Wedge Plate 4 x 2...

Part #: 41770 3× Dark Green

Part #: 42924 4× Blue

Plate Special 2 x...

Part #: 4304 10× Black

Wedge Plate 3 x 2...

Part #: 43722 1× Dark Bluish Gray

Wedge Plate 3 x 2...

Part #: 43723 1× Dark Bluish Gray

Technic Rotation ...

Part #: 44225 1× Light Bluish Gray

Hinge Plate 1 x 2...

Part #: 44301b 1× Dark Bluish Gray

Bracket 1 x 2 - 2...

Part #: 44728 2× Light Bluish Gray

Bracket 1 x 2 - 2...

Part #: 44728 2× Black

Brick Special 1 x...

Part #: 44865 1× White

Brick Special 1 x...

Part #: 4733 3× Dark Bluish Gray

Brick Wedged, Cur...

Part #: 47753 5× Dark Green

Plate Special 1 x...

Part #: 49668 4× White

Wedge Plate 8 x 3...

Part #: 50304 2× Olive Green

Wedge Plate 8 x 3...

Part #: 50305 2× Olive Green

Hinge Plate 1 x 2...

Part #: 50340 1× Red

Brick Curved 3 x ...

Part #: 50950 2× Dark Bluish Gray

Brick Special 1 x...

Part #: 52107 2× Black

Animal Body Part,...

Part #: 53451 6× Black

Technic Ball Join...

Part #: 53585 4× Black

Brick Sloped 30° ...

Part #: 54200 2× Olive Green

Brick Sloped 30° ...

Part #: 54200 1× Tan

Brick Sloped 30° ...

Part #: 54200 1× Dark Red

Technic Brick Spe...

Part #: 57909b 3× Dark Bluish Gray

Brick Arch 1 x 3 ...

Part #: 6005 2× Dark Green

Plate Special 1 x...

Part #: 60470b 2× Black

Plate Round 4 x 4...

Part #: 60474 1× Dark Tan

Technic Pin with ...

Part #: 61332 11× Black

Plate Round 1 x 1...

Part #: 6141 2× Tan

Plate Round 1 x 1...

Part #: 6141 6× Olive Green

Tile 1 x 3

Part #: 63864 1× Tan

Technic Pin Long ...

Part #: 65304 2× Light Bluish Gray

Technic Brick 1 x...

Part #: 6541 4× Black

Tile 1 x 6 with G...

Part #: 6636 2× Dark Red

Brick Special 1 x...

Part #: 67329 3× Dark Bluish Gray

Technic Brick Spe...

Part #: 67696 7× Dark Bluish Gray

Technic Brick Spe...

Part #: 73109 6× Light Bluish Gray

Technic Brick 1 x...

Part #: 73230 2× Light Bluish Gray

Bracket 1 x 1 - 1...

Part #: 73825 4× Black

Bracket 5 x 2 x 2...

Part #: 76766 1× Dark Green

Brick Sloped Inve...

Part #: 76959 1× Black

Plate 1 x 5

Part #: 78329 2× Dark Bluish Gray

Bracket 5 x 2 x 1...

Part #: 79180 2× Black

Technic Rotation ...

Part #: 79505 2× Black

Brick Sloped 45° ...

Part #: 80545 6× Dark Green

Rotation Joint So...

Part #: 80563 3× Dark Bluish Gray

Plate Round 1 x 1...

Part #: 85861 2× Black

Technic Brick 1 x...

Part #: 85943 4× Dark Bluish Gray

Brick Sloped 30° ...

Part #: 85984 4× Olive Green

Brick Sloped 30° ...

Part #: 85984 7× Dark Green

Technic Axle 4 wi...

Part #: 87083 2× Dark Bluish Gray

Brick Special 1 x...

Part #: 87087 2× Olive Green

Animal Body Part,...

Part #: 87747 2× White

Animal Body Part,...

Part #: 87747 6× Black

Technic Pin 1/2 w...

Part #: 89678 6× Dark Bluish Gray

Brick Curved 4 x ...

Part #: 93273 1× Dark Red

Bracket 1 x 2 - 2...

Part #: 93274 6× Black

Brick and Axle Se...

Part #: 96874 1× Orange

Bracket 1 x 2 - 2...

Part #: 99207 4× Dark Bluish Gray

The set features a generous supply of olive green and dark green pieces, perfect for creating natural-looking landscapes and creatures. The variety of slopes and tiles allows for smooth, detailed surfaces.