Pour on the Fun!
Build a Technic Cement Mixer

Get ready for a rewarding build with 1163 pieces, realistic functions, and even 100 LEGO bricks to simulate concrete!

🏛 Technic
Set #42112

Cement Mixer

The Cement Mixer is a surprisingly engaging Technic set.

🏆 Best For: Suitable for older kids and adults interested in learning about basic Technic mechanisms and construction vehicles. ⏱ 4.5 hr build 🧩 1,161 pcs
★★★★☆ 4.0

Fans appreciate the realistic cement mixing action and the engaging build experience. Some criticize the lack of complex functions compared to higher-end Technic sets, but overall it's considered a solid and enjoyable model.

Best Price
$64.99
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📝 Our Take

The Cement Mixer is a surprisingly engaging Technic set. While it may seem like a simple construction vehicle, the realistic functionality and attention to detail make it a worthwhile build.

This set is perfect for Technic beginners and vehicle enthusiasts. The build is challenging enough to be interesting but not overly complex, making it a great introduction to Technic mechanisms.

Skip this if you're looking for a large, complex Technic model. For a more advanced build with more functions, consider a set like the Mobile Crane or a licensed vehicle model.

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How realistic is the cement mixing functionality? What are some key Technic building techniques used in this set? How does the Cement Mixer compare to other Technic construction vehicles in terms of value? Is this set suitable for display, and how durable is the finished model?

🧱 Building Experience

🧩
1,161
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Realistic cement mixing drum functionality
  • Detailed cab and engine area
  • Use of various Technic elements to create a sturdy and functional model
  • The finished model is a good size for display

📈 Investment Analysis

→ Price stable
B
Investment Grade
⏳ Active
The Cement Mixer (42112-1) offers moderate investment potential. As a retired Technic set, it benefits from the theme's consistent popularity and the appeal of construction vehicles. Its piece count and unique cement mixer function contribute to its desirability among collectors. However, its relatively recent retirement and the availability of similar Technic sets may limit its appreciation in the short term. Long-term, well-preserved copies could see steady growth, particularly if demand for Technic construction vehicles remains strong. Monitor aftermarket prices and demand to gauge its true investment potential.

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

Compare Similar Sets

Compared to other Technic sets in its price range, the Cement Mixer offers a unique construction vehicle experience. While sets like the Race Truck or Getaway Truck offer alternative play features, the Cement Mixer stands out with its realistic cement mixing drum and detailed design. It's a good choice for builders who prefer construction vehicles over racing cars or other vehicle types.

📦 Full Parts Inventory - 109 unique parts • 935 total pieces

Technic Pin Connector Hub with 2 Perpendicular Axles Technic Pin Conne...
Part #: 10197 Orange
Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Technic Axle Pin ...
Part #: 11214 19× Red
Technic Panel Fairing #21 5L Small Smooth, Side B Technic Panel Fai...
Part #: 11946 Light Bluish Gray
Technic Panel Fairing #21 5L Small Smooth, Side B Technic Panel Fai...
Part #: 11946 Dark Blue
Technic Panel Fairing #22 5L Small Smooth, Side A Technic Panel Fai...
Part #: 11947 Light Bluish Gray
Technic Panel Fairing #22 5L Small Smooth, Side A Technic Panel Fai...
Part #: 11947 Dark Blue
Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Technic Beam 3 x ...
Part #: 14720 Light Bluish Gray
Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise Technic Pin Conne...
Part #: 15100 11× Black
Tyre 49.53 x 20 Tyre 49.53 x 20
Part #: 15413 Black
Technic Axle 5 with Stop Technic Axle 5 wi...
Part #: 15462 Reddish Brown
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Technic Gear 20 T...
Part #: 18575 Tan
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Technic Axle Pin ...
Part #: 18651 16× Black
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 White
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 100× Dark Bluish Gray
Technic Turntable Large Type 3 Top, 60 Tooth Technic Turntable...
Part #: 18938 Black
Technic Turntable Large Type 3 Base Technic Turntable...
Part #: 18939 Light Bluish Gray
Technic Gear 16 Tooth with Clutch on Both Sides Technic Gear 16 T...
Part #: 18946 Red
Technic Driving Ring 3L Technic Driving R...
Part #: 18947 Dark Bluish Gray
Technic Driving Ring Connector Technic Driving R...
Part #: 18948 White
Technic Pin Connector Hub with 1 Axle Technic Pin Conne...
Part #: 22961 Light Bluish Gray
Technic Axle 11 Technic Axle 11
Part #: 23948 Yellow
Technic Panel Curved and Bent 6 x 3 Technic Panel Cur...
Part #: 24116 Dark Blue
Technic Panel Curved and Bent 6 x 3 Technic Panel Cur...
Part #: 24116 Light Bluish Gray
Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Technic Panel Cur...
Part #: 24119 White
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Light Bluish Gray
Technic Axle 3 with Stop Technic Axle 3 wi...
Part #: 24316 10× Reddish Brown
Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end Brick Round 1 x 1...
Part #: 25214 Light Bluish Gray
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 Black
Technic Pin Connector Hub with 2 Axles Technic Pin Conne...
Part #: 27940 Dark Bluish Gray
Technic Steering Wheel Small (3 Studs Diameter) Technic Steering ...
Part #: 2819 Light Bluish Gray
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 White
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Black
Technic Axle and Pin Connector Angled #5 - 112.5° Technic Axle and ...
Part #: 32015 Light Bluish Gray
Technic Axle and Pin Connector Angled #3 - 157.5° Technic Axle and ...
Part #: 32016 Light Bluish Gray
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 11× Black
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 Black
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 23× Orange
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 12× Red
Technic Beam 1 x 6 Thin Technic Beam 1 x ...
Part #: 32063 Light Bluish Gray
Technic Beam 1 x 7 Thin Technic Beam 1 x ...
Part #: 32065 Black
Technic Axle 5 Technic Axle 5
Part #: 32073 16× Light Bluish Gray
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b Yellow
Technic Axle and Pin Connector Toggle Joint Smooth Technic Axle and ...
Part #: 32126 Black
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 10× Light Bluish Gray
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 Dark Blue
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 Blue
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 16× Yellow
Technic Axle and Pin Connector Angled #4 - 135° Technic Axle and ...
Part #: 32192 Red
Axle Hose, Soft 11L Axle Hose, Soft 11L
Part #: 32199 Black
Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32249 White
Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32249 Blue
Technic Gear 12 Tooth Double Bevel Technic Gear 12 T...
Part #: 32270 Black
Technic Beam 1 x 9 Bent (7 - 3) Thick Technic Beam 1 x ...
Part #: 32271 Black
Technic Beam 1 x 15 Thick Technic Beam 1 x ...
Part #: 32278 Black
Technic Axle and Pin Connector Perpendicular Double Technic Axle and ...
Part #: 32291 Black
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 20× Light Bluish Gray
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 Dark Blue
Technic Beam 1 x 7 Bent (4 - 4) Thick Technic Beam 1 x ...
Part #: 32348 Light Bluish Gray
Technic Beam 1 x 7 Bent (4 - 4) Thick Technic Beam 1 x ...
Part #: 32348 Blue
Technic Gear 36 Tooth Double Bevel Technic Gear 36 T...
Part #: 32498 Black
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 Dark Blue
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 14× Blue
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 13× Light Bluish Gray
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 10× White
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 Light Bluish Gray
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 10× Black
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 Dark Blue
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 12× Light Bluish Gray
Technic Pin Long without Friction Ridges Technic Pin Long ...
Part #: 32556 Tan
Technic Beam 3 x 0.5 Liftarm with Boss and Pin Semi-Reduced Technic Beam 3 x ...
Part #: 33299b Red
Technic Gear 20 Tooth Double Bevel with Clutch on Both Sides Technic Gear 20 T...
Part #: 35185 Blue
Technic Gear 24 Tooth [New Style with Single Axle Hole] Technic Gear 24 T...
Part #: 3648b Dark Bluish Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 Light Bluish Gray
Technic Axle 4 Technic Axle 4
Part #: 3705 Black
Technic Axle 6 Technic Axle 6
Part #: 3706 Red
Technic Bush Technic Bush
Part #: 3713 Light Bluish Gray
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 Tan
Technic Connector Beam 3 x 3 Technic Connector...
Part #: 39793 White
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 Light Bluish Gray
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 White
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 Blue
Technic Beam 1 x 13 Thick Technic Beam 1 x ...
Part #: 41239 Light Bluish Gray
Technic Beam 1 x 13 Thick Technic Beam 1 x ...
Part #: 41239 Blue
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 Red
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 28× Light Bluish Gray
Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] Technic Driving R...
Part #: 42195 Light Bluish Gray
Technic Panel Car Mudguard Arched 9 x 2 x 3 Technic Panel Car...
Part #: 42531 White
Wheel 11 x 8 with Center Groove Wheel 11 x 8 with...
Part #: 42610 Light Bluish Gray
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 Light Bluish Gray
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 46× Blue
Technic Axle 7 Technic Axle 7
Part #: 44294 Yellow
Technic Axle 3 Technic Axle 3
Part #: 4519 27× Yellow
Clutch Outer Side with Axle Connector Clutch Outer Side...
Part #: 46834 White
Clutch Inner Side with Axle Connector Clutch Inner Side...
Part #: 46835 Dark Bluish Gray
Technic Pin Connector Hub Perpendicular 3L with 4 Pins Technic Pin Conne...
Part #: 48989 13× Light Bluish Gray
Tyre 14 x 6 Solid Smooth Tyre 14 x 6 Solid...
Part #: 50951 Black
Technic Changeover Catch - New Style Technic Changeove...
Part #: 51149 Red
Technic Axle 8 with Stop Technic Axle 8 wi...
Part #: 55013 Dark Bluish Gray
Wheel 30.4 x 20 without Pinholes, with Reinforced Rim Wheel 30.4 x 20 w...
Part #: 56145 Light Bluish Gray
Technic Axle Connector Hub with 3 Axles at 120° Technic Axle Conn...
Part #: 57585 Light Bluish Gray
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 13× Red
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 Dark Blue
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 12× Orange
Technic Beam 3 x 3 T-Shape Thick Technic Beam 3 x ...
Part #: 60484 Black
Technic Axle 9 Technic Axle 9
Part #: 60485 Light Bluish Gray
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Clear
Technic Universal Joint 3L [Complete Assembly] Technic Universal...
Part #: 61903 Light Bluish Gray
Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Sharp Edge] Technic Gear Diff...
Part #: 62821c Dark Bluish Gray
Technic Axle and Pin Connector Perpendicular Triple Technic Axle and ...
Part #: 63869 Black
Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick Technic Beam Fram...
Part #: 64179 Light Bluish Gray
Technic Panel 5 x 11 x 1 Technic Panel 5 x...
Part #: 64782 Dark Blue
Technic Pin Double with Axle Hole - Squared Holes Technic Pin Doubl...
Part #: 65098 Light Bluish Gray
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 Blue
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 34× Black
Concrete Mixer Half Shell with Orange Arrow, White Circle print Concrete Mixer Ha...
Part #: 65421pr0001 Dark Blue
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 111× Blue
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 Dark Tan
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 Tan
Technic Beam 1 x 9 Bent (6 - 4) Thick Technic Beam 1 x ...
Part #: 6629 Light Bluish Gray
Technic Beam 1 x 9 Bent (6 - 4) Thick Technic Beam 1 x ...
Part #: 6629 Blue
Sticker Sheet for Set 42112-1 Sticker Sheet for...
Part #: 68301 [No Color/Any Color]
Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] Technic Pin Conne...
Part #: 87082 Red
Technic Axle 4 with Stop Technic Axle 4 wi...
Part #: 87083 Dark Bluish Gray
Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes Technic Pin Conne...
Part #: 87408 Black
Technic Gear Rack 1 x 7 with Axle and Pin Holes Technic Gear Rack...
Part #: 87761 Black
Technic Axle and Pin Connector Perpendicular Split Technic Axle and ...
Part #: 92907 Light Bluish Gray
Technic Gear 16 Tooth Reinforced [New Style] Technic Gear 16 T...
Part #: 94925 Light Bluish Gray
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Trans-Orange
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Trans-Red
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 Light Bluish Gray
Technic Axle 4 with Centre Stop Technic Axle 4 wi...
Part #: 99008 Tan
The set includes a good selection of Technic pins and connectors, useful for MOC builders working on mechanical functions. The variety of beams and axles also provides a solid foundation for creating custom Technic models.

💎 Notable Parts

Blue Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots (111x) $5.55
Dark Bluish Gray Technic Pin Connector Round 1L [Beam] (100x) $5.00
Blue Technic Axle Pin with Friction Ridges Lengthwise (46x) $2.30
Black Technic Axle and Pin Connector Perpendicular (34x) $1.70
Est. BrickLink Part Value
$14.55

💡 MOC Potential

🚗 Mobile crane with extended boom
🚗 Garbage truck with working compactor
🚗 Heavy-duty tow truck with winch

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Charts Inventory Statistics

107
Unique Parts
1,007
Total Pieces
0
Minifigures
Inventory Version: 2