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The Blue Mighty Dinosaurs are here!

Build a posable T-Rex, Triceratops, or Pterodactyl with this awesome 3-in-1 set! Unleash your inner paleontologist!

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🏛 Creator 3-in-1
Set #77941

Mighty Dinosaurs - Blue Version

The Mighty Dinosaurs - Blue Version is a charming and versatile 3-in-1 set.

Before you buy

Who it's for
Ages 7+ · Beginner build Ideal for kids and casual LEGO fans interested in dinosaurs and creative building.
Build
174 pieces · about 2 hours Build time is an estimate.
Price
$14.99 list price · 8.6¢ per piece
Availability
Retired at LEGO
★★★★☆ 4.2 community rating from 10 ratings

Fans appreciate the vibrant colors and fun dinosaur designs, making it a hit with younger builders. Some feel the price is a bit high for the piece count, but the playability and alternate build options offer good value.

MSRP
$14.99
Best Price
$13.49
You Save
10% OFF
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📝 Our Take

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

The Mighty Dinosaurs - Blue Version is a charming and versatile 3-in-1 set. Its vibrant color scheme and posable design make it an appealing build for dinosaur enthusiasts and LEGO fans alike, offering three distinct models from a single set of bricks.

This set is perfect for younger builders and those seeking a quick, engaging project. With a relatively low piece count, it provides a satisfying building experience without being overwhelming, and the alternate builds add to the play value.

Skip this if you are seeking a complex or highly detailed dinosaur model. Consider larger sets like the Jurassic Park T. rex Breakout (76956-1) for a more challenging build and display piece.

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Mighty Dinosaurs - Blue Version - building tips, investment potential, comparisons, or anything else!
Try asking:
How does the Blue Version compare to the original green Mighty Dinosaurs set? What are some creative ways to display the different dinosaur models? Is this set a good value for the price considering its piece count and playability? How does this set compare to other LEGO dinosaur sets in terms of accuracy and design?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
174
Pieces
⏱
2h
Estimated Build Time
📊
Beginner
Difficulty
👤
7+
Ages
Build Highlights:
  • Simple and straightforward building techniques.
  • Focus on posability and play features.
  • Three different dinosaur models from one set.
  • Bright and appealing color scheme.

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
↑ Trending up since release
B
Investment Grade
⏳ Retired
The Mighty Dinosaurs - Blue Version (77941-1) presents a moderate investment opportunity. As a retired Creator 3-in-1 set, it benefits from the theme's general popularity and the appeal of dinosaurs. The set's relatively low piece count and original MSRP limit its potential for explosive growth, but its limited availability and rising price trend suggest increasing collector interest. Investors should consider that its value is tied to the Creator theme's sustained appeal and the demand for dinosaur-related LEGO sets.

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

⚖ Compare Similar Sets

Compared to other Creator 3-in-1 sets, the Mighty Dinosaurs - Blue Version offers a unique combination of a familiar theme with a fresh color palette. While similar sets might offer more pieces or complex builds, this set stands out for its focus on dinosaurs and its ease of construction. For those looking for a similar building experience with a different theme, consider the Creator 3-in-1 Crocodile (31121-1) for similar piece count and price.

📦 Parts Inventory

Official piece count
174
Parts cataloged in this inventory
61 unique parts, 174 pieces
Bar Holder with Clip Bar Holder with Clip
Part #: 11090 5× White
Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Brick Curved 4 x ...
Part #: 11153 6× Dark Blue
Plate Special 1 x 2 with Pin Hole on Top Plate Special 1 x...
Part #: 11458 2× Dark Blue
Plate Special 1 x 2 with Clip Horizontal on Side Plate Special 1 x...
Part #: 11476 2× Light Bluish Gray
Brick Curved 2 x 1 No Studs [1/2 Bow] Brick Curved 2 x ...
Part #: 11477 2× Dark Blue
Brick Curved 2 x 1 No Studs [1/2 Bow] Brick Curved 2 x ...
Part #: 11477 2× Bright Light Yellow
Plate Special 1 x 2 with 5.9mm Centre Side Towball Plate Special 1 x...
Part #: 14417 5× Dark Bluish Gray
Plate Special 1 x 2 5.9mm Towball Socket Plate Special 1 x...
Part #: 14418 3× Light Bluish Gray
Plate Special 1 x 2 5.9mm Centre Side Towball Socket Plate Special 1 x...
Part #: 14704 2× Light Bluish Gray
Brick Curved 2 x 2 x 2/3 Brick Curved 2 x ...
Part #: 15068 4× Dark Blue
Plate Special 1 x 2 with Three Teeth [Tri-Tooth] Plate Special 1 x...
Part #: 15208 7× White
Tile Special 1 x 1 with Clip with Rounded Edges Tile Special 1 x ...
Part #: 15712 4× Sand Blue
Technic Brick Special 2 x 2 with 10.2mm Balls with Holes and Axle Hole Technic Brick Spe...
Part #: 17114 1× Dark Bluish Gray
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Brick Special 1 x...
Part #: 22885 1× Light Bluish Gray
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 2× Bright Light Yellow
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 1× Lavender
Brick Special 1 x 1 with Studs on 2 Adjacent Sides Brick Special 1 x...
Part #: 26604 4× Tan
Brick 2 x 4 Brick 2 x 4
Part #: 3001 1× Bright Light Yellow
Brick 2 x 2 Brick 2 x 2
Part #: 3003 3× Dark Blue
Brick 1 x 2 Brick 1 x 2
Part #: 3004 2× Dark Blue
Brick 1 x 4 Brick 1 x 4
Part #: 3010 2× Sand Blue
Plate 2 x 4 Plate 2 x 4
Part #: 3020 3× Dark Blue
Plate 2 x 4 Plate 2 x 4
Part #: 3020 1× Bright Light Yellow
Plate 2 x 3 Plate 2 x 3
Part #: 3021 2× Bright Light Yellow
Plate 2 x 2 Plate 2 x 2
Part #: 3022 2× Dark Blue
Plate 1 x 2 Plate 1 x 2
Part #: 3023 8× Sand Blue
Plate 1 x 2 Plate 1 x 2
Part #: 3023 2× Lavender
Plate 1 x 2 Plate 1 x 2
Part #: 3023 4× Dark Blue
Plate 1 x 1 Plate 1 x 1
Part #: 3024 2× Dark Blue
Plate Round Corner 3 x 3 Plate Round Corne...
Part #: 30357 4× Dark Blue
Bar 4L (Lightsaber Blade / Wand) Bar 4L (Lightsabe...
Part #: 30374 1× White
Hinge Plate 1 x 2 Locking with 1 Finger On Top Hinge Plate 1 x 2...
Part #: 30383 2× Dark Bluish Gray
Brick Sloped 45° 2 x 1 with Bottom Pin Brick Sloped 45° ...
Part #: 3040b 2× Dark Blue
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 2× Black
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 2× Red
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Brick Sloped Inve...
Part #: 3660 2× Bright Light Yellow
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Brick Sloped Inve...
Part #: 3660 2× Dark Blue
Plate 1 x 4 Plate 1 x 4
Part #: 3710 2× Bright Light Yellow
Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Brick Sloped Inve...
Part #: 3747b 1× Bright Light Yellow
Plate 2 x 6 Plate 2 x 6
Part #: 3795 1× Bright Light Yellow
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 1× Sand Blue
Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section Animal Body Part ...
Part #: 40379 3× White
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Plate Special 1 x...
Part #: 4081b 4× Black
Wedge Plate 4 x 2 Right Wedge Plate 4 x 2...
Part #: 41769 3× Dark Blue
Wedge Plate 4 x 2 Left Wedge Plate 4 x 2...
Part #: 41770 3× Dark Blue
Technic Pin 1/2 without Friction Ridges Technic Pin 1/2 w...
Part #: 4274 2× Light Bluish Gray
Brick Wedged, Curved 6 x 4 Triple Brick Wedged, Cur...
Part #: 43712 1× Dark Blue
Wedge Plate 3 x 2 Right Wedge Plate 3 x 2...
Part #: 43722 1× Sand Blue
Wedge Plate 3 x 2 Left Wedge Plate 3 x 2...
Part #: 43723 1× Sand Blue
Wheel Arch, Curved Wedge 4 x 3 with 2 x 2 Opening and 4 Studs Wheel Arch, Curve...
Part #: 47755 1× Sand Blue
Brick Special 1 x 2 with Studs on 2 Sides Brick Special 1 x...
Part #: 52107 3× Bright Light Yellow
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Animal Body Part,...
Part #: 53451 4× Black
Technic Ball Joint with Through Axle Hole Technic Ball Join...
Part #: 53585 2× Black
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Brick Sloped 30° ...
Part #: 54200 4× Dark Blue
Hinge Plate 1 x 2 Locking with 2 Fingers On End, without Groove, 7 Teeth Hinge Plate 1 x 2...
Part #: 54657 2× Dark Bluish Gray
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Light Cover 1 x 1...
Part #: 58176 2× Trans-Red
Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Plate Special 1 x...
Part #: 60470b 2× Black
Plate Special 1 x 2 with Handle on End [Closed Ends] Plate Special 1 x...
Part #: 60478 3× Sand Blue
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Plate Special 1 x...
Part #: 60897 4× Yellow
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 2× Trans-Red
Plate Special 1 x 2 with Clip Horizontal on End Plate Special 1 x...
Part #: 63868 1× Black
Large Figure Skeletal, Joint Extender [High Friction] Large Figure Skel...
Part #: 74261 2× Dark Bluish Gray
Technic Brick 1 x 2 with Hole and Dual Beam Extensions Technic Brick 1 x...
Part #: 85943 2× Dark Bluish Gray
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium Animal Body Part,...
Part #: 87747 2× White
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium Animal Body Part,...
Part #: 87747 6× Black
Bar 3L Bar 3L
Part #: 87994 1× Black
Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole Technic Brick Spe...
Part #: 92013 4× Sand Blue
Pneumatic Hose Connector with Axle Connector Pneumatic Hose Co...
Part #: 99021 2× Dark Bluish Gray
This set is a great source of Dark Blue and Sand Blue elements, offering a good selection of plates, slopes, and curved pieces useful for creating organic shapes and smooth surfaces. The Technic ball socket pieces add articulation possibilities for MOC builders.

🛒 Where to Buy

eBay
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$13.49 →
Walmart
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Compare on eBay →
$14.24
Target
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$14.99

💎 Notable Parts

Sand Blue Plate 1 x 2 (8x) $1.20
White Plate Special 1 x 2 with Three Teeth [Tri-Tooth] (7x) $1.75
Dark Blue Slope Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] (6x) $0.90
Est. BrickLink Part Value
$3.85

💡 MOC Potential

🌳 Dinosaur skeleton display
🤖 Robotic dinosaur or Transformer
🚗 Small vehicle with dinosaur-themed design elements

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📖 Building Instructions 3

Mighty Dinosaurs - Blue Version Instructions
BI 3101, 48, 77941 1/3 V29
Download PDF
Mighty Dinosaurs - Blue Version Instructions
BI 3101, 28, 77941 2/3 V29
Download PDF
Mighty Dinosaurs - Blue Version Instructions
BI 3101, 24, 77941 3/3 V29
Download PDF

Charts Inventory Statistics

61
Unique Parts
174
Official Piece Count
174
Cataloged Inventory Pieces
0
Minifigures
Inventory Version: 1

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