42099-1
4x4 X-treme Off-Roader
Building instructions
The building instructions are on the official LEGO website. We do not host any instructions ourselves; the link below takes you to the official page.
View building instructions on LEGO.com (opens an external website)This set on Rebrickable (opens an external website)
Parts list – 42099-1 4x4 X-treme Off-Roader
145 lines, 970 pieces
| Image | Part | Name | Colour | Quantity | Note |
|---|---|---|---|---|---|
![Part 48729b Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip] in Black](https://cdn.rebrickable.com/media/parts/elements/4289538.jpg) | 48729b | Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]Bars, Ladders and Fences | Black | 2× | |
 | 25214 | Brick Round 1 x 1 Diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at Each EndBricks Round and Cones | Black | 12× | |
 | 22127 | Hub, Powered Up 4-Port (Technic Control+) - Clip OpeningElectronics | Light Bluish Gray | 1× | |
 | 22169 | Motor, Large, Powered UpElectronics | Dark Bluish Gray | 1× | |
 | 22172 | Motor, XL, Powered UpElectronics | Dark Bluish Gray | 2× | |
 | 3024 | Plate 1 x 1Plates | Trans-Red | 2× | |
 | 3023 | Plate 1 x 2Plates | Light Bluish Gray | 2× | |
 | 3023 | Plate 1 x 2Plates | Trans-Clear | 6× | |
 | 3023 | Plate 1 x 2Plates | Trans-Red | 2× | |
 | 3710 | Plate 1 x 4Plates | Black | 2× | |
 | 4032a | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)Plates Round Curved and Dishes | Black | 2× | |
![Part 2654 Plate Round 2 x 2 with Rounded Bottom [Boat Stud] in Trans-Clear](https://cdn.rebrickable.com/media/parts/elements/4278412.jpg) | 2654 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud]Plates Round Curved and Dishes | Trans-Clear | 2× | |
![Part 51341 Sticker Sheet for Set 42099-1 in [No Color/Any Color]](https://cdn.rebrickable.com/media/parts/photos/9999/PART-5194-9999-d9eac385-f98c-4002-92e1-dd6b36b70e78.jpg) | 51341 | Sticker Sheet for Set 42099-1Stickers | [No Color/Any Color] | 1× | |
 | 3737 | Technic Axle 10Technic Axles | Black | 6× | |
 | 3737 | Technic Axle 10Technic Axles | Red | 1× | |
 | 3708 | Technic Axle 12Technic Axles | Red | 1× | |
 | 32062 | Technic Axle 2 NotchedTechnic Axles | Red | 29× | |
 | 4519 | Technic Axle 3Technic Axles | Light Bluish Gray | 23× | |
 | 24316 | Technic Axle 3 with StopTechnic Axles | Reddish Brown | 8× | |
 | 3705 | Technic Axle 4Technic Axles | Black | 10× | |
 | 99008 | Technic Axle 4 with Centre StopTechnic Axles | Tan | 5× | |
 | 87083 | Technic Axle 4 with StopTechnic Axles | Dark Bluish Gray | 7× | |
 | 32073 | Technic Axle 5Technic Axles | Yellow | 5× | |
![Part 59426 Technic Axle 5.5 with Stop [Rounded Short End] in Dark Bluish Gray](https://cdn.rebrickable.com/media/parts/elements/4508553.jpg) | 59426 | Technic Axle 5.5 with Stop [Rounded Short End]Technic Axles | Dark Bluish Gray | 1× | |
 | 3706 | Technic Axle 6Technic Axles | Black | 2× | |
 | 44294 | Technic Axle 7Technic Axles | Light Bluish Gray | 1× | |
 | 32525 | Technic Beam 1 x 11 ThickTechnic Beams | Black | 9× | |
 | 32009 | Technic Beam 1 x 11.5 Double Bent ThickTechnic Beams | Black | 4× | |
 | 32009 | Technic Beam 1 x 11.5 Double Bent ThickTechnic Beams | Bright Light Orange | 2× | |
 | 41239 | Technic Beam 1 x 13 ThickTechnic Beams | Dark Bluish Gray | 3× | |
 | 32278 | Technic Beam 1 x 15 ThickTechnic Beams | Black | 8× | |
 | 32278 | Technic Beam 1 x 15 ThickTechnic Beams | Bright Light Orange | 2× | |
 | 43857 | Technic Beam 1 x 2 ThickTechnic Beams | Blue | 1× | |
 | 60483 | Technic Beam 1 x 2 Thick with Pin Hole and Axle HoleTechnic Beams | Orange | 14× | |
 | 41677 | Technic Beam 1 x 2 ThinTechnic Beams | Black | 4× | |
 | 41677 | Technic Beam 1 x 2 ThinTechnic Beams | Red | 6× | |
 | 32523 | Technic Beam 1 x 3 ThickTechnic Beams | Bright Light Orange | 4× | |
 | 32523 | Technic Beam 1 x 3 ThickTechnic Beams | Lime | 4× | |
 | 6632 | Technic Beam 1 x 3 ThinTechnic Beams | Dark Bluish Gray | 12× | |
 | 32316 | Technic Beam 1 x 5 ThickTechnic Beams | Bright Light Orange | 1× | |
 | 32316 | Technic Beam 1 x 5 ThickTechnic Beams | Dark Bluish Gray | 12× | |
 | 32316 | Technic Beam 1 x 5 ThickTechnic Beams | White | 1× | |
 | 11478 | Technic Beam 1 x 5 Thin with Axle Holes on EndsTechnic Beams | Black | 6× | |
 | 32524 | Technic Beam 1 x 7 ThickTechnic Beams | Light Bluish Gray | 7× | |
 | 6629 | Technic Beam 1 x 9 Bent (6 - 4) ThickTechnic Beams | Black | 6× | |
 | 40490 | Technic Beam 1 x 9 ThickTechnic Beams | Dark Bluish Gray | 4× | |
 | 32140 | Technic Beam 2 x 4 L-Shape ThickTechnic Beams | Black | 21× | |
 | 32140 | Technic Beam 2 x 4 L-Shape ThickTechnic Beams | Dark Azure | 1× | |
 | 60484 | Technic Beam 3 x 3 T-Shape ThickTechnic Beams | Light Bluish Gray | 7× | |
 | 32526 | Technic Beam 3 x 5 L-Shape ThickTechnic Beams | Dark Bluish Gray | 11× | |
![Part 99773 Technic Beam Triangle Thin [Type II] in Yellow](https://cdn.rebrickable.com/media/parts/elements/6010863.jpg) | 99773 | Technic Beam Triangle Thin [Type II]Technic Beams | Yellow | 2× | |
 | 39793 | Technic Connector Beam 3 x 3Technic Beams | Black | 5× | |
 | 33299b | Technic Beam 3 x 0.5 Liftarm with Boss and Pin Semi-ReducedTechnic Beams Special | Black | 2× | |
![Part 14720 Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] in Light Bluish Gray](https://cdn.rebrickable.com/media/parts/elements/6055519.jpg) | 14720 | Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes]Technic Beams Special | Light Bluish Gray | 2× | |
 | 64178 | Technic Beam 5 x 11 with 3 x 5 Opening Frame ThickTechnic Beams Special | Light Bluish Gray | 3× | |
 | 64179 | Technic Beam Frame 5 x 7 with 3 x 5 Opening ThickTechnic Beams Special | Black | 2× | |
 | 3713 | Technic BushTechnic Bushes | Light Bluish Gray | 6× | |
 | 32123b | Technic Bush 1/2 Smooth with Axle Hole Semi-ReducedTechnic Bushes | Light Bluish Gray | 2× | |
![Part 59443 Technic Axle Connector Smooth [with x Hole + Orientation] in Orange](https://cdn.rebrickable.com/media/parts/elements/6143028.jpg) | 59443 | Technic Axle Connector Smooth [with x Hole + Orientation]Technic Connectors | Orange | 1× | |
 | 32039 | Technic Axle Connector with Axle HoleTechnic Connectors | Yellow | 2× | |
 | 32013 | Technic Axle and Pin Connector Angled #1Technic Connectors | Black | 14× | |
 | 32034 | Technic Axle and Pin Connector Angled #2 - 180°Technic Connectors | Black | 5× | |
 | 32034 | Technic Axle and Pin Connector Angled #2 - 180°Technic Connectors | Light Bluish Gray | 2× | |
 | 32192 | Technic Axle and Pin Connector Angled #4 - 135°Technic Connectors | Black | 4× | |
 | 32015 | Technic Axle and Pin Connector Angled #5 - 112.5°Technic Connectors | Light Bluish Gray | 2× | |
 | 32014 | Technic Axle and Pin Connector Angled #6 - 90°Technic Connectors | Black | 2× | |
 | 6536 | Technic Axle and Pin Connector PerpendicularTechnic Connectors | Black | 26× | |
 | 42003 | Technic Axle and Pin Connector Perpendicular 3L with 2 Pin HolesTechnic Connectors | Black | 10× | |
 | 42003 | Technic Axle and Pin Connector Perpendicular 3L with 2 Pin HolesTechnic Connectors | Red | 4× | |
 | 32184 | Technic Axle and Pin Connector Perpendicular 3L with Centre Pin HoleTechnic Connectors | Light Bluish Gray | 5× | |
 | 32184 | Technic Axle and Pin Connector Perpendicular 3L with Centre Pin HoleTechnic Connectors | Yellow | 1× | |
 | 32291 | Technic Axle and Pin Connector Perpendicular DoubleTechnic Connectors | Black | 4× | |
 | 41678 | Technic Axle and Pin Connector Perpendicular Double SplitTechnic Connectors | Orange | 4× | |
 | 63869 | Technic Axle and Pin Connector Perpendicular TripleTechnic Connectors | Black | 13× | |
 | 63869 | Technic Axle and Pin Connector Perpendicular TripleTechnic Connectors | Light Bluish Gray | 2× | |
 | 32126 | Technic Axle and Pin Connector Toggle Joint SmoothTechnic Connectors | Black | 4× | |
 | 18948 | Technic Driving Ring ConnectorTechnic Connectors | White | 1× | |
 | 48989 | Technic Pin Connector Hub Perpendicular 3L with 4 PinsTechnic Connectors | Light Bluish Gray | 5× | |
 | 22961 | Technic Pin Connector Hub with 1 AxleTechnic Connectors | Light Bluish Gray | 1× | |
 | 22961 | Technic Pin Connector Hub with 1 AxleTechnic Connectors | Red | 2× | |
 | 15100 | Technic Pin Connector Hub with 1 Pin with Friction Ridges LengthwiseTechnic Connectors | Blue | 4× | |
![Part 87082 Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] in Light Bluish Gray](https://cdn.rebrickable.com/media/parts/elements/4560175.jpg) | 87082 | Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes]Technic Connectors | Light Bluish Gray | 6× | |
![Part 18654 Technic Pin Connector Round 1L [Beam] in Black](https://cdn.rebrickable.com/media/parts/elements/6121485.jpg) | 18654 | Technic Pin Connector Round 1L [Beam]Technic Connectors | Black | 10× | |
![Part 18654 Technic Pin Connector Round 1L [Beam] in White](https://cdn.rebrickable.com/media/parts/elements/6177114.jpg) | 18654 | Technic Pin Connector Round 1L [Beam]Technic Connectors | White | 17× | |
![Part 62462 Technic Pin Connector Round [Slotted] in Light Bluish Gray](https://cdn.rebrickable.com/media/parts/elements/4526985.jpg) | 62462 | Technic Pin Connector Round [Slotted]Technic Connectors | Light Bluish Gray | 2× | |
 | 49283 | Wire Clip with Axle HoleTechnic Connectors | Blue | 1× | |
 | 49283 | Wire Clip with Axle HoleTechnic Connectors | Red | 1× | |
 | 49283 | Wire Clip with Axle HoleTechnic Connectors | White | 1× | |
 | 6589 | Technic Gear 12 Tooth BevelTechnic Gears | Tan | 6× | |
 | 32270 | Technic Gear 12 Tooth Double BevelTechnic Gears | Black | 5× | |
![Part 18575 Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] in Tan](https://cdn.rebrickable.com/media/parts/elements/6084724.jpg) | 18575 | Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]Technic Gears | Tan | 6× | |
![Part 62821b Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Beveled Edge] in Dark Bluish Gray](https://cdn.rebrickable.com/media/parts/elements/4525184.jpg) | 62821b | Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Beveled Edge]Technic Gears | Dark Bluish Gray | 2× | |
 | 87761 | Technic Gear Rack 1 x 7 with Axle and Pin HolesTechnic Gears | Black | 1× | |
 | 18939 | Technic Turntable Large Type 3 BaseTechnic Gears | Light Bluish Gray | 2× | |
 | 18938 | Technic Turntable Large Type 3 Top, 60 ToothTechnic Gears | Black | 2× | |
 | 15458 | Technic Panel 3 x 11 x 1Technic Panels | Black | 1× | |
 | 15458 | Technic Panel 3 x 11 x 1Technic Panels | Bright Light Orange | 3× | |
 | 64782 | Technic Panel 5 x 11 x 1Technic Panels | Bright Light Orange | 1× | |
 | 18945 | Technic Panel 5 x 11 x 1 TaperedTechnic Panels | Bright Light Orange | 2× | |
 | 11954 | Technic Panel Curved 11 x 3 with 10 Pin Holes Through Panel SurfaceTechnic Panels | Black | 3× | |
 | 62531 | Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel SurfaceTechnic Panels | Bright Light Orange | 2× | |
 | 24116 | Technic Panel Curved and Bent 6 x 3Technic Panels | Light Bluish Gray | 2× | |
 | 87080 | Technic Panel Fairing #1 Small Smooth Short, Side ATechnic Panels | Bright Light Orange | 1× | |
 | 64392 | Technic Panel Fairing #17 Large Smooth, Side ATechnic Panels | Bright Light Orange | 1× | |
 | 64682 | Technic Panel Fairing #18 Large Smooth, Side BTechnic Panels | Bright Light Orange | 1× | |
 | 87086 | Technic Panel Fairing #2 Small Smooth Short, Side BTechnic Panels | Bright Light Orange | 1× | |
 | 11946 | Technic Panel Fairing #21 5L Small Smooth, Side BTechnic Panels | Black | 1× | |
 | 11947 | Technic Panel Fairing #22 5L Small Smooth, Side ATechnic Panels | Black | 1× | |
 | 11214 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L AxleTechnic Pins | Red | 30× | |
 | 18651 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L AxleTechnic Pins | Black | 6× | |
 | 43093 | Technic Axle Pin with Friction Ridges LengthwiseTechnic Pins | Blue | 54× | |
 | 2736 | Technic Axle TowballTechnic Pins | Light Bluish Gray | 2× | |
 | 4274 | Technic Pin 1/2 without Friction RidgesTechnic Pins | Blue | 18× | |
 | 32002 | Technic Pin 3/4Technic Pins | Tan | 2× | |
![Part 32054 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] in Black](https://cdn.rebrickable.com/media/parts/elements/4107742.jpg) | 32054 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]Technic Pins | Black | 40× | |
![Part 32054 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] in Orange](https://cdn.rebrickable.com/media/parts/elements/4140428.jpg) | 32054 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]Technic Pins | Orange | 3× | |
 | 6558 | Technic Pin Long with Friction Ridges Lengthwise, 2 Center SlotsTechnic Pins | Blue | 76× | |
 | 32556 | Technic Pin Long without Friction RidgesTechnic Pins | Tan | 6× | |
 | 2780 | Technic Pin with Friction Ridges Lengthwise and Center SlotsTechnic Pins | Black | 144× | |
 | 6628 | Technic Pin with Friction Ridges Lengthwise and TowballTechnic Pins | Red | 10× | |
 | 32005a | Technic Link 1 x 6 without StoppersTechnic Steering, Suspension and Engine | Black | 8× | |
![Part 76537 Technic Shock Absorber 6.5L with Hard Spring, Tight Coil in Middle [Complete Assembly] in Red](https://cdn.rebrickable.com/media/parts/elements/6144791.jpg) | 76537 | Technic Shock Absorber 6.5L with Hard Spring, Tight Coil in Middle [Complete Assembly]Technic Steering, Suspension and Engine | Red | 4× | |
 | 52730 | Technic Steering / CV Ball Joint Female with 3L AxleTechnic Steering, Suspension and Engine | Dark Bluish Gray | 4× | |
 | 52731 | Technic Steering / CV Ball Joint Male 3LTechnic Steering, Suspension and Engine | Light Bluish Gray | 8× | |
 | 57515 | Technic Steering Arm 5.5 x 2 with Towball Socket Rounded, ChamferedTechnic Steering, Suspension and Engine | Dark Bluish Gray | 4× | |
 | 46490 | Technic Steering Wheel Hub with Planetary Gear ReductionTechnic Steering, Suspension and Engine | Light Bluish Gray | 4× | |
 | 2819 | Technic Steering Wheel Small (3 Studs Diameter)Technic Steering, Suspension and Engine | Light Bluish Gray | 1× | |
 | 3070b | Tile 1 x 1 with GrooveTiles | Trans-Clear | 10× | |
 | 3070b | Tile 1 x 1 with GrooveTiles | Trans-Orange | 2× | |
 | 3069b | Tile 1 x 2 with GrooveTiles | Trans-Clear | 2× | |
 | 75c14 | Hose Rigid 3mm D. 14L / 11.2cmTubes and Hoses | Black | 2× | |
 | 23798 | Tyre 107 x 44 TractorWheels and Tyres | Black | 4× | |
 | 15038 | Wheel 56 x 34 Technic Racing Medium with 6 Pin HolesWheels and Tyres | Black | 4× | |
| 48729b | Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]Bars, Ladders and Fences | Black | 1× | Spare |
| 3024 | Plate 1 x 1Plates | Trans-Red | 1× | Spare |
| 3713 | Technic BushTechnic Bushes | Light Bluish Gray | 1× | Spare |
| 32123b | Technic Bush 1/2 Smooth with Axle Hole Semi-ReducedTechnic Bushes | Light Bluish Gray | 1× | Spare |
| 18654 | Technic Pin Connector Round 1L [Beam]Technic Connectors | Black | 1× | Spare |
| 18654 | Technic Pin Connector Round 1L [Beam]Technic Connectors | White | 1× | Spare |
| 4274 | Technic Pin 1/2 without Friction RidgesTechnic Pins | Blue | 1× | Spare |
| 32002 | Technic Pin 3/4Technic Pins | Tan | 1× | Spare |
| 2780 | Technic Pin with Friction Ridges Lengthwise and Center SlotsTechnic Pins | Black | 1× | Spare |
| 3070b | Tile 1 x 1 with GrooveTiles | Trans-Clear | 1× | Spare |
| 3070b | Tile 1 x 1 with GrooveTiles | Trans-Orange | 1× | Spare |
| 75c14 | Hose Rigid 3mm D. 14L / 11.2cmTubes and Hoses | Black | 1× | Spare |