Lego Technic
Great for son and his dad.
Retailer prices for 42042 are sorted by the latest lowest price.
Retailer pricesPrice history 42042
We check Dutch retailers every day. This graph shows the full daily-low price series we have for this set.
Daily lowest price tracked across 2 Dutch retailers. The dotted line marks LEGO's recommended retail price.
Source: daily measurement at 2 Dutch retailers, 15 Dec 2025 – 31 May 2026. RRP via LEGO.com.
| Date | Price | Retailer | Stock |
|---|---|---|---|
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock | |
| €329,95 | Special Bricks | In stock |
Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.
Stronger signal than most sets in this theme. Waiting is a reasonable strategy.
42042 by the numbers: price, stock and history.
For LEGO Crawler Crane (42042), we track 1 retailer in the Netherlands, with 1 currently in stock. The current lowest price is €329,95. Use price history and stock data to judge whether this is a good time to buy.
Make way for the powerful LEGO® Technic Crawler Crane! This huge, robust 2-in-1 model comes with an array of realistic details and exciting features. Activate the included Power Functions motor and use the joysticks to operate the boom, raise and lower the claw, rotate the superstructure, and drive the huge caterpillar tracks that maneuver this mighty machine! Includes an authentic double winch and pulley system with extensive cabling, working claw, detailed cab with tilt function, exhaust pipe, and a ventilation grill. You can also extend the boom for even greater height! A cool blue and white color scheme adds the finishing touch to this awesome model. Rebuilds into a huge Mobile Tower Crane! Features Power Functions motorized boom, winch, superstructure, and caterpillar tracks Also features an opening claw, tilting cab, extendable boom, extensive cabling, and a realistic exhaust pipe and ventilation grid Check out the cool blue and white color scheme Activate the huge crawler tracks! Rotate the massive superstructure! Lift the boom! Lower the claw! 2-in-1 model: rebuilds into a Mobile Tower Crane Crawler Crane measures over 24" (61cm) high, 13" (33cm) long, and 7" (20cm) wide Mobile Tower Crane measures over 25" (64cm) high, 22" (56cm) long, and 8" (22cm) wide
All about this set
Background, build experience, collector context, and buying notes in one story.
For LEGO Crawler Crane (42042), we track 1 retailer in the Netherlands, with 1 currently in stock. The current lowest price is €329,95. Use price history and stock data to judge whether this is a good time to buy.
Make way for the powerful LEGO® Technic Crawler Crane! This huge, robust 2-in-1 model comes with an array of realistic details and exciting features. Activate the included Power Functions motor and use the joysticks to operate the boom, raise and lower the claw, rotate the superstructure, and drive the huge caterpillar tracks that maneuver this mighty machine! Includes an authentic double winch and pulley system with extensive cabling, working claw, detailed cab with tilt function, exhaust pipe, and a ventilation grill. You can also extend the boom for even greater height! A cool blue and white color scheme adds the finishing touch to this awesome model. Rebuilds into a huge Mobile Tower Crane! Features Power Functions motorized boom, winch, superstructure, and caterpillar tracks Also features an opening claw, tilting cab, extendable boom, extensive cabling, and a realistic exhaust pipe and ventilation grid Check out the cool blue and white color scheme Activate the huge crawler tracks! Rotate the massive superstructure! Lift the boom! Lower the claw! 2-in-1 model: rebuilds into a Mobile Tower Crane Crawler Crane measures over 24" (61cm) high, 13" (33cm) long, and 7" (20cm) wide Mobile Tower Crane measures over 25" (64cm) high, 22" (56cm) long, and 8" (22cm) wide
The current lowest price is €329,95 across 1 tracked retailers.
Instructions & specifications
Dimensions, pieces, build steps, and the official PDF building instruction.
Parts inventory
Known set data around pieces and build context.
Technic Pins
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
Part ID 6558 · Blue
Qty 129
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Part ID 32054 · Light Bluish Gray
Qty 50
Technic Axle Pin with Friction Ridges Lengthwise
Part ID 43093 · Blue
Qty 39
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Part ID 32054 · Black
Qty 36
Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle
Part ID 11214 · Dark Bluish Gray
Qty 18
Technic Pin without Friction Ridges Lengthwise
Part ID 3673 · Light Bluish Gray
Qty 16
Technic Pin Long without Friction Ridges
Part ID 32556 · Tan
Qty 15
Technic Pin with Friction Ridges Lengthwise and Center Slots
Part ID 2780 · Black
Qty 4
Technic Pin 3/4
Part ID 32002 · Tan
Qty 4
Technic Pin with Friction Ridges Lengthwise and Towball
Part ID 6628 · Black
Qty 4
Technic Pin Double with Axle Hole
Part ID 32138 · Black
Qty 2
Technic Pin 1/2
Part ID 4274 · Light Bluish Gray
Qty 2
Technic Pin Double Triangle 1 x 3 with 2 Clips Not Completely Round Pin Holes
Part ID 19159 · Black
Qty 1
Technic Special
Technic Link Tread Wide with Two Pin Holes, Reinforced
Part ID 88323 · Dark Bluish Gray
Qty 90
Technic Link 1 x 16
Part ID 2637 · Light Bluish Gray
Qty 4
Technic Linear Actuator Mini with Dark Bluish Gray Head and Orange Axle
Part ID 92693 · Light Bluish Gray
Qty 1
Technic Beams
Technic Beam 1 x 15 Thick
Part ID 32278 · Blue
Qty 40
Technic Beam 1 x 7 Thick
Part ID 32524 · Blue
Qty 27
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole
Part ID 60483 · Dark Bluish Gray
Qty 23
Technic Beam 1 x 13 Thick
Part ID 41239 · Dark Bluish Gray
Qty 20
Technic Beam 3 x 5 L-Shape Thick
Part ID 32526 · Dark Bluish Gray
Qty 18
Technic Beam 1 x 3 Thick
Part ID 32523 · Blue
Qty 17
Technic Beam 1 x 6 Thin
Part ID 32063 · Black
Qty 16
Technic Beam 2 x 4 L-Shape Thick
Part ID 32140 · Light Bluish Gray
Qty 16
Technic Beam 3 x 3 T-Shape Thick
Part ID 60484 · Light Bluish Gray
Qty 12
Technic Beam 1 x 5 Thick
Part ID 32316 · Black
Qty 8
Technic Beam 1 x 4 Thin
Part ID 32449 · White
Qty 8
Technic Beam 1 x 11 Thick
Part ID 32525 · Dark Bluish Gray
Qty 8
Technic Beam 3 x 5 L-Shape Thick
Part ID 32526 · Blue
Qty 7
Technic Beam 1 x 9 Thick
Part ID 40490 · Light Bluish Gray
Qty 7
Technic Beam 1 x 5 Thin with Axle Holes on Ends
Part ID 11478 · Black
Qty 6
Technic Beam 2 x 4 L-Shape Thick
Part ID 32140 · Blue
Qty 6
Technic Beam 1 x 3 Thin
Part ID 6632 · Blue
Qty 6
Technic Beam 1 x 15 Thick
Part ID 32278 · Dark Bluish Gray
Qty 5
Technic Beam 1 x 3 Thick
Part ID 32523 · White
Qty 5
Technic Beam 1 x 11 Thick
Part ID 32525 · Blue
Qty 5
Technic Beam 3 x 5 L-Shape Thick
Part ID 32526 · White
Qty 5
Technic Beam 1 x 7 Thick
Part ID 32524 · Dark Bluish Gray
Qty 4
Technic Beam 1 x 9 Bent (6 - 4) Thick
Part ID 6629 · Blue
Qty 4
Technic Beam 1 x 3 Thin
Part ID 6632 · Black
Qty 4
Technic Beam 1 x 11 Thick
Part ID 32525 · Black
Qty 3
Technic Beam 1 x 13 Thick
Part ID 41239 · White
Qty 3
Technic Beam 1 x 11.5 Double Bent Thick
Part ID 32009 · White
Qty 2
Technic Beam 1 x 11.5 Double Bent Thick
Part ID 32009 · Blue
Qty 2
Technic Beam 1 x 9 Bent (7 - 3) Thick
Part ID 32271 · White
Qty 2
Technic Beam 1 x 2 Thin
Part ID 41677 · White
Qty 2
Technic Beam 3 x 3 T-Shape Thick
Part ID 60484 · Dark Bluish Gray
Qty 2
Technic Beam Triangle Thin [Type II]
Part ID 99773 · Black
Qty 2
Technic Beam Triangle Thin [Type II]
Part ID 99773 · Dark Bluish Gray
Qty 2
Technic Beam 1 x 3 Thick
Part ID 32523 · Black
Qty 1
Technic Beam 1 x 7 Thick
Part ID 32524 · White
Qty 1
Technic Axles
Technic Axle 3
Part ID 4519 · Light Bluish Gray
Qty 40
Technic Axle 2 Notched
Part ID 32062 · Red
Qty 15
Technic Axle 5
Part ID 32073 · Light Bluish Gray
Qty 14
Technic Axle 4 with Stop
Part ID 87083 · Dark Bluish Gray
Qty 14
Technic Axle 5 with Stop
Part ID 15462 · Dark Tan
Qty 11
Technic Axle 6
Part ID 3706 · Black
Qty 11
Technic Axle 4
Part ID 3705 · Black
Qty 10
Technic Axle 3 with Stud
Part ID 6587 · Dark Tan
Qty 6
Technic Axle 8 with Stop
Part ID 55013 · Dark Bluish Gray
Qty 5
Technic Axle 4 with Centre Stop
Part ID 99008 · Tan
Qty 5
Technic Axle 5.5 with Stop [Rounded Short End]
Part ID 59426 · Dark Bluish Gray
Qty 4
Technic Axle 8
Part ID 3707 · Black
Qty 3
Technic Axle 7
Part ID 44294 · Light Bluish Gray
Qty 3
Technic Axle 10
Part ID 3737 · Black
Qty 2
Technic Axle 9
Part ID 60485 · Light Bluish Gray
Qty 2
Wheels and Tyres
Wheel 11 x 8 with Center Groove
Part ID 42610 · Light Bluish Gray
Qty 28
Technic Wedge Belt Wheel [aka Pulley]
Part ID 4185 · Light Bluish Gray
Qty 4
Wheel 18mm x 14mm with Axle Hole, Fake Bolts and Shallow Spokes
Part ID 55982 · Light Bluish Gray
Qty 2
Wheel 18 x 8 with Fake Bolts and Deep Spokes with Inner Ring
Part ID 13971 · Light Bluish Gray
Qty 1
Technic Connectors
Technic Axle and Pin Connector Perpendicular Triple
Part ID 63869 · Light Bluish Gray
Qty 14
Technic Axle Connector Smooth [with x Hole + Orientation]
Part ID 59443 · Red
Qty 12
Technic Pin Connector Hub Perpendicular 3L with 4 Pins
Part ID 48989 · Light Bluish Gray
Qty 11
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes
Part ID 42003 · Black
Qty 10
Technic Axle Connector with Axle Hole
Part ID 32039 · Black
Qty 9
Technic Axle and Pin Connector Perpendicular
Part ID 6536 · Light Bluish Gray
Qty 8
Technic Driving Ring Connector
Part ID 18948 · White
Qty 6
Technic Axle and Pin Connector Perpendicular Split
Part ID 92907 · Black
Qty 6
Technic Pin Connector Perpendicular 2 x 2 Bent
Part ID 44809 · Black
Qty 5
Technic Pin Connector Perpendicular Long
Part ID 32557 · Black
Qty 4
Technic Axle and Pin Connector Perpendicular Double Split
Part ID 41678 · Light Bluish Gray
Qty 4
Technic Axle Connector Smooth [with x Hole + Orientation]
Part ID 59443 · Black
Qty 4
Technic Pin Connector Round 1L [Beam]
Part ID 18654 · Dark Bluish Gray
Qty 3
Technic Axle and Pin Connector Angled #2 - 180°
Part ID 32034 · Black
Qty 3
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole
Part ID 32184 · Light Bluish Gray
Qty 3
Technic Pin Connector Round [Slotted]
Part ID 62462 · Light Bluish Gray
Qty 3
Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes
Part ID 87408 · Black
Qty 3
Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise
Part ID 15100 · Black
Qty 2
Technic Axle and Pin Connector Angled #1
Part ID 32013 · White
Qty 2
Technic Axle and Pin Connector Angled #5 - 112.5°
Part ID 32015 · White
Qty 2
Technic Axle and Pin Connector Angled #5 - 112.5°
Part ID 32015 · Light Bluish Gray
Qty 2
Technic Axle and Pin Connector Toggle Joint Smooth
Part ID 32126 · Blue
Qty 2
Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Across Part)
Part ID 55615 · Light Bluish Gray
Qty 2
Technic Axle and Pin Connector, Perpendicular with Extension
Part ID 53586 · Flat Silver
Qty 1
Technic Pin Connector Round [Slotted]
Part ID 62462 · Yellow
Qty 1
Technic Gears
Technic Gear 16 Tooth with Clutch on Both Sides
Part ID 18946 · Red
Qty 11
Technic Gear 8 Tooth [Reinforced]
Part ID 10928 · Dark Bluish Gray
Qty 6
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]
Part ID 18575 · Tan
Qty 6
Technic Gear 12 Tooth Double Bevel
Part ID 32270 · Black
Qty 5
Technic Driving Ring 3L
Part ID 18947 · Dark Bluish Gray
Qty 4
Technic Gear 20 Tooth Bevel
Part ID 32198 · Tan
Qty 4
Technic Gear 24 Tooth [New Style with Single Axle Hole]
Part ID 3648b · Dark Bluish Gray
Qty 4
Technic Tread Sprocket Wheel Large 10 Tooth
Part ID 57519 · Black
Qty 4
Technic Gear 12 Tooth Bevel
Part ID 6589 · Tan
Qty 4
Technic Gear 16 Tooth Reinforced [New Style]
Part ID 94925 · Light Bluish Gray
Qty 3
Technic Worm Gear
Part ID 4716 · Light Bluish Gray
Qty 2
Technic Turntable Large Type 3 Top, 60 Tooth
Part ID 18938 · Black
Qty 1
Technic Turntable Large Type 3 Base
Part ID 18939 · Light Bluish Gray
Qty 1
Bricks Sloped
Slope 18° 2 x 1 x 2/3 with 4 Slots / Grate
Part ID 61409 · Dark Bluish Gray
Qty 8
Plates
Plate 2 x 3
Part ID 3021 · Blue
Qty 6
Plate 2 x 4
Part ID 3020 · Dark Bluish Gray
Qty 4
Plate 1 x 3
Part ID 3623 · White
Qty 2
Technic Panels
Technic Panel 3 x 11 x 1
Part ID 15458 · White
Qty 2
Technic Bricks
Technic Brick 1 x 2 [2 Pin Holes]
Part ID 32000 · Black
Qty 4
Technic Beams Special
Technic Beam 3 x 0.5 Liftarm with Boss and Pin / Crank
Part ID 33299a · Light Bluish Gray
Qty 4
Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick
Part ID 64178 · Light Bluish Gray
Qty 2
Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick
Part ID 64179 · Light Bluish Gray
Qty 2
Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes]
Part ID 14720 · Light Bluish Gray
Qty 1
Technic Bushes
Technic Bush
Part ID 3713 · Light Bluish Gray
Qty 4
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Part ID 32123b · Light Bluish Gray
Qty 3
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Part ID 32123b · Yellow
Qty 1
Plates Round Curved and Dishes
Plate Round 1 x 1 with Solid Stud
Part ID 6141 · Trans-Clear
Qty 3
Plate Round 1 x 1 with Solid Stud
Part ID 6141 · Trans-Orange
Qty 2
Tiles
Tile 1 x 4 with Groove
Part ID 2431 · Blue
Qty 2
Tile 2 x 4 with Groove
Part ID 87079 · White
Qty 2
Bars, Ladders and Fences
Bar 4L (Lightsaber Blade / Wand)
Part ID 30374 · Black
Qty 2
Bar 3L
Part ID 87994 · Light Bluish Gray
Qty 2
Electronics
Motor, Large, Power Functions with Dark Bluish Gray Bottom
Part ID 99499 · Light Bluish Gray
Qty 1
Stickers
String, Bands and Reels
String Reel 2 x 1 x 2 Drum with Axle Hole
Part ID 61510 · Light Bluish Gray
Qty 1
Flags, Banners and Signs
Flag 7 x 3 with Rod
Part ID 30292 · Dark Blue
Qty 1
Technic Steering, Suspension and Engine
Technic Universal Joint 3L [Complete Assembly]
Part ID 61903 · Light Bluish Gray
Qty 1
Retailer reviews
Summarized retailer review data when available.
Great for son and his dad.
Very nicely finished LEGO (as we are used to from LEGO). Lots of details, good instructions.
This is truly an impressive LEGO set, with a beautiful "gearbox" that allows you to operate the crane. Assembling this part is really fun, and even a 32-year-old can enjoy it, although I had trouble getting the crane to turn on my first attempt. In my opinion, this makes the set even more fun, as it can be a bit challenging. For playing afterwards, I can say that the controls (on the back of the crane) work very well and are simple to use. Because it is motorized, everything works smoothly, although you do need to be patient with most of the movements. I am not a crane operator, but I think that is also the case in reality. The grabber must be manually opened and closed on the grabber itself. The B-model is a missed opportunity; it is a tower crane and is based on the A-model, except for the arm. A completely different crawler vehicle would have been interesting. Conclusion: In my opinion, this is one of the most beautiful LEGO sets available. A realistic crane is built with all the necessary functions. In addition, the crane is in an (unusual for LEGO) blue color, which really makes it stand out in your collection. Furthermore, it is a very fun project to build the crane, where you can hardly make mistakes. So, pay attention, but it is interesting for both young and old!
Reasonably large set with an electric motor. I think it's a good price, given everything that's included in the box. I haven't been able to finish building it yet. Beautiful B model (tower crane).
We bought it for our grandson who is 11 years old. He absolutely loves it and has been working on building it for two days.
Very detailed large model. However, it is quite easy to build. Several motorized features, which makes it very realistic.
All retailer prices
Current prices, stock and discounts per retailer.
Price context
Lowest, highest and average price for this set.
This context is based on 101 price points across 1 retailers. The chart on the page remains the full interactive source.
Price forecast
Conservative baseline for the next period.
Waiting is a reasonable strategy: the signal is stronger than many comparable sets.
FAQ & set details
Pieces, year, RRP and retailer coverage.
Quick answers about price, stock and set data.