Twin-rotor Helicopter (42020-1) is a Technic LEGO set released in 2014 with 145 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 48 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
48 parts · updating…
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Sticker Sheet for Set 42020-116026 · ×1 · [No Color/Any Color] -
Technic Axle 2 Notched32062 · ×5 · Red -
Technic Axle 34519 · ×1 · Light Bluish Gray -
Technic Axle 43705 · ×6 · Black -
Technic Axle 4 with Stop87083 · ×2 · Dark Bluish Gray -
Technic Axle 532073 · ×3 · Light Bluish Gray -
![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 744294 · ×1 · Light Bluish Gray -
Technic Axle 83707 · ×1 · Black -
Technic Axle and Pin Connector Perpendicular6536 · ×3 · White -
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes42003 · ×6 · Light Bluish Gray -
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole32184 · ×4 · Black -
Technic Axle and Pin Connector Perpendicular Triple63869 · ×1 · Light Bluish Gray -
Technic Axle Connector Hub with 3 Axles at 120°57585 · ×2 · Light Bluish Gray -
![Technic Axle Connector Smooth [with x Hole + Orientation]](https://cdn.rebrickable.com/media/parts/elements/4512360.jpg)
Technic Axle Connector Smooth [with x Hole + Orientation]59443 · ×4 · Light Bluish Gray -
Technic Axle Pin with Friction Ridges Lengthwise43093 · ×12 · Blue -
Technic Beam 1 x 11 Thick32525 · ×2 · Blue -
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole60483 · ×1 · Black -
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole60483 · ×2 · Light Bluish Gray -
Technic Beam 1 x 2 Thin41677 · ×2 · Blue -
Technic Beam 1 x 3 Thick32523 · ×2 · Blue -
Technic Beam 1 x 3 Thin6632 · ×6 · Black -
Technic Beam 1 x 4 Thin32449 · ×2 · White -
Technic Beam 1 x 4 Thin with Stud Connector2825 · ×2 · Light Bluish Gray -
Technic Beam 1 x 5 Thick32316 · ×1 · White -
Technic Beam 1 x 7 Thick32524 · ×2 · Light Bluish Gray -
Technic Beam 1 x 9 Thick40490 · ×2 · White -
Technic Beam 2 x 4 L-Shape Thick32140 · ×4 · Black -
Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin32249 · ×2 · Black -
Technic Beam 3 x 5 L-Shape Thick32526 · ×4 · Light Bluish Gray -
Technic Bush3713 · ×4 · Light Bluish Gray -
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced32123b · ×4 · Light Bluish Gray -
Technic Gear 12 Tooth Bevel6589 · ×2 · Tan -
Technic Gear 12 Tooth Double Bevel32270 · ×2 · Black -
Technic Panel Fairing #1 Small Smooth Short, Side A87080 · ×1 · Blue -
Technic Panel Fairing #2 Small Smooth Short, Side B87086 · ×1 · Blue -
Technic Pin 3/432002 · ×4 · Tan -
![Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/4560174.jpg)
Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes]87082 · ×2 · Black -
Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes87408 · ×2 · Black -
![Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]](https://cdn.rebrickable.com/media/parts/elements/4211865.jpg)
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]32054 · ×5 · Light Bluish Gray -
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots6558 · ×6 · Blue -
Technic Pin Long without Friction Ridges32556 · ×1 · Tan -
Technic Pin with Friction Ridges Lengthwise and Center Slots2780 · ×5 · Black -
Technic Pin without Friction Ridges Lengthwise3673 · ×2 · Light Bluish Gray -
Technic Rotor Blade Small with Hole and Axle Connector End99012 · ×6 · Dark Bluish Gray -
![Technic Tooth 1 x 3 with Axle Hole [Rounded Underside]](https://cdn.rebrickable.com/media/parts/elements/4611639.jpg)
Technic Tooth 1 x 3 with Axle Hole [Rounded Underside]41669 · ×2 · Trans-Clear -
Tyre 14 x 6 Solid Smooth50951 · ×4 · Black -
Wheel 11 x 8 with Center Groove42610 · ×4 · Light Bluish Gray