Beginner
≈ 8 hSuggested range5 h – 11 h 45 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Technic · SET 42144
Material Handler
A wheeled material handler combines a pneumatic boom and raising cab. A grapple simulates sorting and loading.
- Pieces
- 835
- Release year
- 2022
- Theme
- Technic
- Set number
- 42144
- LEGO recommended age
- 10+
- LEGO retail price · Italy
- 119.99 €
Retired from the LEGO Italy catalogue when checked on 23 October 2026. Availability can change. Check the store for the latest information.
Retail price reported by the LEGO source for the stated market. Check the store for current price and availability; this does not establish the launch price. LEGO ↗ · Reference checked on 23 October 2026
Official English name verified at: LEGO English catalogue ↗ · Checked on 24 October 2026.
TIME TO BUILD
How long does it take to build Material Handler?
A starting point for planning your build. Times for each experience level are editorial estimates, not measurements submitted by HowLongToBuild users.
Editorial model estimate · no verified measured building time
Intermediate
≈ 5 h 30 minSuggested range3 h 30 min – 8 hExperienced
≈ 3 h 30 minSuggested range2 h 15 min – 5 h 15 minBased on one person building the set for the first time, following the original instructions and using numbered bags where supplied. Includes normal piece-finding and minor adjustments; excludes long breaks, filming, dismantling and modifications. Sources may use different methods. This range is neither a statistical interval nor a limit: your build may take less or more time.
How we estimate times · sources and method
Pneumatic hoses, cylinders and stabilisers need correct connection lengths and routing. The three central durations are model-specific editorial assessments. Planning ranges extend approximately from 65% to 145%, rounded to quarter-hours; they are not measured experience-level averages or guaranteed limits.
Sources do not always specify the builder’s experience. The three experience bands are our editorial assessment, based on the complexity of the set and individual accounts where available.
- LEGO Italy · Material Handler ↗
This source documents the model’s features and components, not a timed build. No sufficiently verifiable individual building-time report has been identified for this set.
- LEGO building instructions · Material Handler ↗
Set-specific instructions checked against the set number, piece count and year. The duration is an editorial assessment based on piece count, construction type, mechanisms and detail.
Checked: 23 ottobre 2026 · Method v1.0 · Limited reports; not a statistical average.
BUILT BY THE COMMUNITY
Yours could be the first building time.
0 reviewed solo building times.
No solo building times have been reviewed yet. You can still find editorial estimates under Suggested times.
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How much display space does it need?
Model or component measured by LEGO
- Height
- ≈ 33 cm
- Width
- ≈ 17 cm
- Depth / length
- ≈ 40 cm
These measurements refer to the model or component in the original specification below. Other builds, poses or arrangements may need additional space.
Check your shelf space
Which model was measured? · original Italian specification
Dimensioni: questo cantiere giocattolo LEGO® Technic misura 33 cm di altezza, 40 cm di lunghezza e 17 cm di larghezzaApproximate assembled-model measurements, not packaging dimensions. Allow extra room for handling, moving parts and the display stand. The comparison uses the measured model’s overall footprint, allows a 90° rotation and does not assess stability or shelf load. Source LEGO ↗ · 2026-10-29
BEYOND THE BRICKS
Did you know?
Inside the set
An orange-peel grapple
The boom’s pneumatic functions open and close the grab.
LEGO sourceA higher viewpoint
Raise the cab and rotate the upper structure through 360 degrees.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Rising for a better view
Elevating cabs improve real material handlers’ views of the work area and load.
Read the full story
Liebherr describes elevating cabs that improve visibility in port material handling. Raising the operator changes the view of cargo and working areas. This explains a real-machine principle without identifying the Technic model as a particular Liebherr machine or assigning it every professional feature.
No universal grapple
Sorting grapples and multi-tine grabs are different attachments selected for the material handled.
Read the full story
Liebherr offers multi-tine grabs for irregular scrap and sorting grabs for precise recycling work. The end attachment changes with the task. Similar hand-like outlines conceal different purposes, with material quantity, shape and composition influencing the choice of professional equipment.
Expanded stories updated on 29 October 2026
Written by HowLongToBuild · Sources are linked with each story · Checked on 23 October 2026. Historical facts and story details refer to the context described.
THE COMMUNITY’S EXPERIENCE
What was it like to build?
Three separate scores from 1 to 10. For difficulty, 1 means very easy and 10 means very difficult.
No approved ratings yet. Scores are never generated by this site or inferred from the recommended age.
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Building tips from the community
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OUR PICK
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YOUR NEXT BUILD
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Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
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Suggested time · Intermediate
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