Roar into Adventure!
Build your own T. rex and more!

Unleash prehistoric fun with this 3-in-1 Creator set. Construct a posable T. rex, a sturdy Triceratops, or a soaring Pterodactyl from 626 pieces!

LEGO T. rex set 31151 - 626 pieces, Creator 3-in-1 theme, product photo Pin It
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⚠ RETIRING SOON
LEGO T. rex set 31151
🏛 Creator 3-in-1
Set #31151

T. rex

The T.

🏆 Best For: Perfect for dinosaur fans and LEGO enthusiasts looking for a fun and engaging building experience. ⏱ 4.5 hr build 🧩 626 pcs
★★★★☆ 4.2

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.

MSRP
$59.99
Best Price
$53.99
You Save
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📝 Our Take

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

🧩
626
Pieces
⏱
4.5h
Build Time
📊
Intermediate
Difficulty
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

→ Price stable
B
Investment Grade
⏳ Active
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

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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.

📦 Full Parts Inventory - 121 unique parts • 591 total pieces

Slope Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Slope Curved 4 x ...
Part #: 11153 2× Olive Green
Brick Special 1 x 2 with 2 Studs on 1 Side Brick Special 1 x...
Part #: 11211 2× Olive Green
Tile Round 1 x 2 Tile Round 1 x 2
Part #: 1126 2× Tan
Plate Special 1 x 2 with Pin Hole on Top Plate Special 1 x...
Part #: 11458 2× Dark Bluish Gray
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 28× Olive Green
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 4× Tan
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 2× Reddish Brown
Slope Curved 4 x 1 Inverted Slope Curved 4 x ...
Part #: 13547 2× Tan
Plate Special 1 x 2 with 5.9mm Centre Side Towball Plate Special 1 x...
Part #: 14417 6× Dark Bluish Gray
Plate Special 1 x 2 5.9mm Towball Socket Plate Special 1 x...
Part #: 14418 5× Light Bluish Gray
Plate Special 1 x 2 5.9mm Centre Side Towball Socket Plate Special 1 x...
Part #: 14704 1× Light Bluish Gray
Slope Curved 2 x 2 x 2/3 Slope Curved 2 x ...
Part #: 15068 9× Dark Green
Plate Special 1 x 2 with Three Teeth [Tri-Tooth] Plate Special 1 x...
Part #: 15208 6× White
Brick Round 2 x 2 Dome Bottom [Open Stud] Brick Round 2 x 2...
Part #: 15395 2× White
Tile Round 1 x 2 Half Circle Tile Round 1 x 2 ...
Part #: 1748 1× Tan
Plate Round Half 3 x 6 with 1 x 2 Cutout Plate Round Half ...
Part #: 18646 8× Dark Green
Plate Special 1 x 2 with Pin Hole Underneath Plate Special 1 x...
Part #: 18677 2× Black
Bar Holder with Hole and Bar Handle Bar Holder with H...
Part #: 23443 4× Dark Bluish Gray
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 4× Dark Bluish Gray
Plant, Leaves 4 x 3 Plant, Leaves 4 x 3
Part #: 2423 4× Sand Green
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 16× Dark Green
Wedge Plate 2 x 2 Cut Corner Wedge Plate 2 x 2...
Part #: 26601 16× Olive Green
Brick Special 1 x 1 with Studs on 2 Adjacent Sides Brick Special 1 x...
Part #: 26604 2× Light Bluish Gray
Technic Brick 1 x 10 [9 Pin Holes] Technic Brick 1 x...
Part #: 2730 2× Black
Slope Curved 2 x 1 with Stud Notch Right Slope Curved 2 x ...
Part #: 29119 8× Dark Green
Slope Curved 2 x 1 with Stud Notch Left Slope Curved 2 x ...
Part #: 29120 8× Dark Green
Brick 2 x 4 Brick 2 x 4
Part #: 3001 3× Dark Green
Brick 2 x 4 Brick 2 x 4
Part #: 3001 1× Tan
Brick 2 x 3 Brick 2 x 3
Part #: 3002 1× Black
Brick 2 x 2 Brick 2 x 2
Part #: 3003 2× White
Brick 1 x 2 Brick 1 x 2
Part #: 3004 1× Tan
Brick 1 x 2 Brick 1 x 2
Part #: 3004 2× Dark Green
Brick 1 x 2 Brick 1 x 2
Part #: 3004 7× Olive Green
Brick 1 x 1 Brick 1 x 1
Part #: 3005 2× Dark Green
Brick 1 x 1 Brick 1 x 1
Part #: 3005 1× Tan
Brick 2 x 8 Brick 2 x 8
Part #: 3007 1× Tan
Brick 1 x 8 Brick 1 x 8
Part #: 3008 2× Tan
Brick 1 x 6 Brick 1 x 6
Part #: 3009 2× Olive Green
Brick 1 x 4 Brick 1 x 4
Part #: 3010 1× Tan
Brick 1 x 4 Brick 1 x 4
Part #: 3010 3× Olive Green
Plate 2 x 4 Plate 2 x 4
Part #: 3020 8× Tan
Plate 2 x 4 Plate 2 x 4
Part #: 3020 7× Olive Green
Plate 2 x 4 Plate 2 x 4
Part #: 3020 7× Dark Green
Plate 2 x 3 Plate 2 x 3
Part #: 3021 2× Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 9× Dark Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 3× Tan
Plate 2 x 2 Plate 2 x 2
Part #: 3022 7× Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 2× Dark Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 9× Tan
Plate 1 x 2 Plate 1 x 2
Part #: 3023 4× Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 54× Olive Green
Plate 1 x 1 Plate 1 x 1
Part #: 3024 4× Tan
Plate 1 x 1 Plate 1 x 1
Part #: 3024 1× Olive Green
Plate 4 x 10 Plate 4 x 10
Part #: 3030 1× Tan
Plate 2 x 8 Plate 2 x 8
Part #: 3034 1× Tan
Bar 4L (Lightsaber Blade / Wand) Bar 4L (Lightsabe...
Part #: 30374 1× Trans-Bright Green
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b 2× Dark Green
Brick Special 1 x 4 with 4 Studs on One Side Brick Special 1 x...
Part #: 30414 2× Dark Bluish Gray
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b 1× Tan
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 17× Dark Green
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 1× Tan
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 1× Dark Green
Plate Special 3 x 2 with Rounded End, Hole Plate Special 3 x...
Part #: 3176 1× Tan
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 2× Red
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a 2× Black
Brick Round 2 x 2 Dome Top, Vented Stud Brick Round 2 x 2...
Part #: 3262 2× White
Plate 1 x 1 x 2/3 Half Round with Side Stud Plate 1 x 1 x 2/3...
Part #: 3386 7× Black
Plate Special 1 x 2 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 35480 12× Dark Bluish Gray
Plate 1 x 3 Plate 1 x 3
Part #: 3623 1× Orange
Plate 1 x 3 Plate 1 x 3
Part #: 3623 2× Reddish Brown
Plate 1 x 3 Plate 1 x 3
Part #: 3623 2× Yellow
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 1× Tan
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 4× Dark Bluish Gray
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 2× Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 11× Olive Green
Plate 1 x 4 Plate 1 x 4
Part #: 3710 8× Dark Green
Slope Inverted 33° 3 x 2 [Connections between Studs] Slope Inverted 33...
Part #: 3747b 4× Tan
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 3× Black
Plate Angled 3 x 3 with Heart Shape Plate Angled 3 x ...
Part #: 39613 4× Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 6× White
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 4× Dark Bluish Gray
Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section Animal Body Part ...
Part #: 40379 2× White
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 2× Dark Tan
Wedge 4 x 2 Right Wedge 4 x 2 Right
Part #: 41767 3× Olive Green
Wedge 4 x 2 Left Wedge 4 x 2 Left
Part #: 41768 3× Olive Green
Wedge Plate 4 x 2 Right Wedge Plate 4 x 2...
Part #: 41769 3× Dark Green
Wedge Plate 4 x 2 Right Wedge Plate 4 x 2...
Part #: 41769 5× Olive Green
Wedge Plate 4 x 2 Right Wedge Plate 4 x 2...
Part #: 41769 1× Tan
Wedge Plate 4 x 2 Left Wedge Plate 4 x 2...
Part #: 41770 3× Dark Green
Wedge Plate 4 x 2 Left Wedge Plate 4 x 2...
Part #: 41770 1× Tan
Wedge Plate 4 x 2 Left Wedge Plate 4 x 2...
Part #: 41770 5× Olive Green
Slope 33° 3 x 1 Slope 33° 3 x 1
Part #: 4286 1× Tan
Slope Inverted 33° 3 x 1 with Internal Stopper and No Front Stud Connection Slope Inverted 33...
Part #: 4287c 1× Tan
Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Technic Pin Long ...
Part #: 42924 4× Blue
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised - Updated Version Plate Special 2 x...
Part #: 4304 10× Black
Wedge Plate 3 x 2 Right Wedge Plate 3 x 2...
Part #: 43722 1× Dark Bluish Gray
Wedge Plate 3 x 2 Left Wedge Plate 3 x 2...
Part #: 43723 1× Dark Bluish Gray
Technic Rotation Joint Disk with Pin and 3L Beam Thick Technic Rotation ...
Part #: 44225 1× Light Bluish Gray
Hinge Plate 1 x 2 Locking with 1 Finger On End, without Groove Hinge Plate 1 x 2...
Part #: 44301b 1× Dark Bluish Gray
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 2× Light Bluish Gray
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 2× Black
Brick Special 1 x 2 with Pin - Bottom Stud Holder Brick Special 1 x...
Part #: 44865 1× White
Brick Special 1 x 1 Studs on 4 Sides Brick Special 1 x...
Part #: 4733 3× Dark Bluish Gray
Wedge Curved 4 x 4 No Top Studs Wedge Curved 4 x ...
Part #: 47753 5× Dark Green
Plate Special 1 x 1 with Tooth Plate Special 1 x...
Part #: 49668 4× White
Wedge Plate 8 x 3, 22° Right Wedge Plate 8 x 3...
Part #: 50304 2× Olive Green
Wedge Plate 8 x 3, 22° Left Wedge Plate 8 x 3...
Part #: 50305 2× Olive Green
Hinge Plate 1 x 2 Locking with 2 Fingers on Side, 7 Teeth Hinge Plate 1 x 2...
Part #: 50340 1× Red
Slope Curved 3 x 1 No Studs Slope Curved 3 x ...
Part #: 50950 2× Dark Bluish Gray
Brick Special 1 x 2 with Studs on 2 Sides Brick Special 1 x...
Part #: 52107 2× Black
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Animal Body Part,...
Part #: 53451 1× Black
Technic Ball Joint with Through Axle Hole Technic Ball Join...
Part #: 53585 4× Black
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 1× Tan
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 1× Olive Green
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 1× Dark Red
Technic Brick Modified 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball Technic Brick Mod...
Part #: 57909b 3× Dark Bluish Gray
Brick Arch 1 x 3 x 2 Curved Top Brick Arch 1 x 3 ...
Part #: 6005 2× Dark Green
Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Plate Special 1 x...
Part #: 60470b 2× Black
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 1× Dark Tan
Technic Pin with Friction Ridges Lengthwise with No Center Slots Technic Pin with ...
Part #: 61332 11× Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 1× Tan
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 1× Olive Green
Tile 1 x 3 Tile 1 x 3
Part #: 63864 1× Tan
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Technic Pin Long ...
Part #: 65304 2× Light Bluish Gray
Technic Brick 1 x 1 with Pin Hole Technic Brick 1 x...
Part #: 6541 4× Black
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 2× Dark Red
Brick Special 1 x 2 x 1 2/3 with 8 Studs on 3 Sides Brick Special 1 x...
Part #: 67329 3× Dark Bluish Gray
Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole, No Arm Holes Technic Brick Spe...
Part #: 67696 7× Dark Bluish Gray
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Technic Brick Spe...
Part #: 73109 6× Light Bluish Gray
Technic Brick 1 x 1 with Axle Hole Technic Brick 1 x...
Part #: 73230 2× Light Bluish Gray
Bracket 1 x 1 - 1 x 2 Inverted Bracket 1 x 1 - 1...
Part #: 73825 4× Black
Bracket 5 x 2 x 2 1/3 with Holes, Inside Stud Holder Bracket 5 x 2 x 2...
Part #: 76766 1× Dark Green
Slope Inverted 45° 2 x 2 [Round Hollow Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 76959 1× Black
Plate 1 x 5 Plate 1 x 5
Part #: 78329 2× Dark Bluish Gray
Bracket 5 x 2 x 1 1/3 with Bottom Stud Holder Bracket 5 x 2 x 1...
Part #: 79180 2× Black
Technic Rotation Joint Disk with Pin and Double Rotation Joint Ball Half Technic Rotation ...
Part #: 79505 2× Black
Slope 45° 2 x 4 x 1 1/3 Double Slope 45° 2 x 4 x...
Part #: 80545 6× Dark Green
Rotation Joint Socket with 2 Pins Rotation Joint So...
Part #: 80563 3× Dark Bluish Gray
Plate Round 1 x 1 with Open Stud Plate Round 1 x 1...
Part #: 85861 1× Black
Technic Brick 1 x 2 with Hole and Dual Beam Extensions Technic Brick 1 x...
Part #: 85943 4× Dark Bluish Gray
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 7× Dark Green
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 4× Olive Green
Technic Axle 4 with Stop Technic Axle 4 wi...
Part #: 87083 2× Dark Bluish Gray
Brick Special 1 x 1 with Stud on 1 Side Brick Special 1 x...
Part #: 87087 2× Olive Green
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium Animal Body Part,...
Part #: 87747 1× Black
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium Animal Body Part,...
Part #: 87747 2× White
Technic Pin 1/2 with Friction Technic Pin 1/2 w...
Part #: 89678 6× Dark Bluish Gray
Slope Curved 4 x 1 Double with No Studs Slope Curved 4 x ...
Part #: 93273 1× Dark Red
Bracket 1 x 2 - 2 x 4 Bracket 1 x 2 - 2...
Part #: 93274 6× Black
Brick and Axle Separator v2.0 Brick and Axle Se...
Part #: 96874 1× Orange
Bracket 1 x 2 - 2 x 2 Inverted 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.

🛒 Where to Buy

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$56.99
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$59.99
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$59.99
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$79.99
Amazon
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💎 Notable Parts

Olive Green Plate 1 x 2 (54x) $2.70
Olive Green Slope Curved 2 x 1 No Studs [1/2 Bow] (28x) $2.80
Dark Green Tile 1 x 2 with Groove (17x) $2.55
Olive Green Wedge Plate 2 x 2 Cut Corner (16x) $2.40
Est. BrickLink Part Value
$10.45

💡 MOC Potential

🌳 Create a prehistoric jungle diorama with additional foliage.
🤖 Build a robotic dinosaur or other mechanical creature.
🚗 Construct a dinosaur-themed vehicle or transport.

Related Articles

📰 Creator 3-in-1 News

T. rex News (15)

March 2026
Mar 01 The Brick Fan

LEGO March 2026 Sets Now Available on LEGO Shop
February 2026
Feb 28 r/legostarwars

Jabba & Rancor Book Nook
Feb 27 The Brick Fan

LEGO Restaurants of the World: Japan (40906) GWP & Other Promotions Live
Feb 27 The Brick Fan

LEGO Pokemon Sets Now Available on LEGO Shop
Feb 26 r/lego

Open back vs fully enclosed castle 🏰
Feb 21 r/lego

I made Denver’s Blucifer from set 31166
Feb 17 r/lego

I turned the LEGO 31382 into Baby Groot! No extra parts🌱
Feb 16 r/lego

1st build, #31170, bird's neck has hole, any suggestions?
View all news

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Charts Inventory Statistics

121
Unique Parts
591
Total Pieces
0
Minifigures
Inventory Version: 1

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