Ultralight Helicopter (42057-1) is a Technic LEGO set released in 2017 with 199 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Technic sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 78 unique part types.
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Building instructions
2 official booklets — read on BrickID
Book 1 of 2 · US Letter Book 2 of 2 · US Letter
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Parts in this set
78 parts · page 1 of 2 · updating…
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Hose Rigid 3mm D. 9L / 7.2cm75c09 · ×2 · Black -
Large Figure Wing, Small61800 · ×1 · White -
Propeller 3 Blade 9 Diameter with Pin Hole, Recessed Center15790 · ×1 · Black -
Sticker Sheet for Set 42057-129041 · ×1 · [No Color/Any Color] -
Technic Axle 2 Notched32062 · ×5 · Red -
Technic Axle 34519 · ×4 · Light Bluish Gray -
Technic Axle 3 with Stop24316 · ×1 · Reddish Brown -
Technic Axle 43705 · ×6 · Black -
Technic Axle 4 with Stop87083 · ×1 · Dark Bluish Gray -
Technic Axle 532073 · ×2 · Light Bluish Gray -
Technic Axle 5 with Stop15462 · ×1 · Reddish Brown -
![Technic Axle 5.5 with Stop [Rounded Short End]](https://cdn.rebrickable.com/media/parts/elements/4508553.jpg)
Technic Axle 5.5 with Stop [Rounded Short End]59426 · ×2 · Dark Bluish Gray -
Technic Axle 63706 · ×1 · Black -
Technic Axle 744294 · ×1 · Yellow -
Technic Axle and Pin Connector Angled #132013 · ×2 · White -
Technic Axle and Pin Connector Angled #2 - 180°32034 · ×3 · Black -
Technic Axle and Pin Connector Angled #3 - 157.5°32016 · ×1 · Black -
Technic Axle and Pin Connector Angled #4 - 135°32192 · ×4 · Red -
Technic Axle and Pin Connector Perpendicular6536 · ×6 · White -
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole32184 · ×2 · Black -
Technic Axle and Pin Connector Perpendicular Double32291 · ×1 · Black -
Technic Axle and Pin Connector Perpendicular Triple63869 · ×1 · Black -
Technic Axle Connector Hub with 3 Axles at 120°57585 · ×1 · Light Bluish Gray -
![Technic Axle Connector Smooth [with x Hole + Orientation]](https://cdn.rebrickable.com/media/parts/elements/4512363.jpg)
Technic Axle Connector Smooth [with x Hole + Orientation]59443 · ×2 · Black -
Technic Axle Connector with Axle Hole32039 · ×3 · Black -
Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle11214 · ×5 · Dark Bluish Gray -
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle18651 · ×1 · Black -
Technic Axle Pin with Friction Ridges Lengthwise43093 · ×5 · Blue -
Technic Axle Pin without Friction Ridges Lengthwise3749 · ×2 · Tan -
Technic Axle Towball2736 · ×2 · Light Bluish Gray -
Technic Beam 1 x 11 Thick32525 · ×2 · Black -
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole60483 · ×4 · Black -
Technic Beam 1 x 2 Thin41677 · ×11 · Black -
Technic Beam 1 x 3 Thick32523 · ×2 · White -
Technic Beam 1 x 3 Thick with Black '40 1977 - 2017' and 24 Tooth Gear Print32523pr0001 · ×1 · White -
Technic Beam 1 x 4 Thin with Stud Connector2825 · ×1 · Black -
Technic Beam 1 x 5 Thin32017 · ×1 · Light Bluish Gray -
Technic Beam 1 x 5 Thin with Axle Holes on Ends11478 · ×5 · Black -
Technic Beam 1 x 6 Thin32063 · ×1 · White -
Technic Beam 2 x 4 L-Shape Thick32140 · ×4 · White -
Technic Beam 3 x 3 T-Shape Thick60484 · ×1 · Black -
Technic Beam 3 x 5 L-Shape Thick32526 · ×1 · White -
Technic Bush3713 · ×3 · Light Bluish Gray -
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced32123b · ×4 · Light Bluish Gray -
Technic Engine Connecting Rod2852 · ×2 · Light Bluish Gray -
Technic Engine Crankshaft2853 · ×2 · Yellow -
Technic Engine Crankshaft Center2854 · ×1 · Tan -
Technic Engine Cylinder without Side Slots, with Bottom Slots2850b · ×2 · Light Bluish Gray