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MT-201 Ultra-Drill Walker

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7649 MT-201 Ultra-Drill Walker

741 pieces in 189 part and color combinations, plus 3 minifigures.

The official piece count includes the 18 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.

Before you call it missing

Builders who report a missing piece often find it in one of these places. Tick each one off as you look.

Look-alike colors in this set

These parts appear in this set in two colors that are easy to confuse. If you are one short in one color, check whether it went in where the other color belongs. Each color has its own element ID in the parts list at the back of the instructions.

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Piece checklist

White 211 pieces

  • Bar 6L with Stop Ring White Part 63965 Element 6170419 or 6081986 ×2
  • Brick 1 x 4 White Part 3010 Element 6550135 or 301001 ×6
  • Brick 2 x 2 Corner White Part 2357 Element 6552088 or 6548253 ×2
  • Brick 2 x 4 White Part 3001 Element 6552094 or 300101 ×24
  • Brick Curved 1 x 2 x 1 1/3 with Curved Top White Part 6091 Element 6285777 or 609101 ×8
  • Brick Curved 1 x 4 x 1 1/3 No Studs, Lowered Inside Support White Part 6191 Element 4297949 or 619101 ×1
  • Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End White Part 47457 Element 4494474 ×1
  • Brick Curved 2 x 4 x 1 1/3 White Part 6081 Element 608151 or 608101 ×14
  • Brick Curved 3 x 1 No Studs White Part 50950 Element 6548268 or 4249112 ×10
  • Brick Curved 4 x 4 x 2 with Holes White Part 61487 Element 6296243 or 4519129 ×10
  • Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder White Part 30367b ×2
  • Brick Sloped 18° 4 x 2 White Part 30363 Element 4143000 ×1
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) White Part 54200 Element 6550179 or 4504369 4 spares in the box ×29
  • Brick Sloped 33° 3 x 2 White Part 3298 Element 329801 ×1
  • Brick Sloped 45° 2 x 2 White Part 3039 Element 6552103 or 303901 ×8
  • Brick Sloped Inverted 34° 3 x 1 with Internal Stopper White Part 4287b ×2
  • Brick Special 1 x 1 with Headlight White Part 4070 Element 6548267 or 407001 ×2
  • Brick Wedged, Curved 6 x 2 Left, Inner Ridges White Part 41748 Element 6552117 or 4160124 ×5
  • Brick Wedged, Curved 6 x 2 Right, Inner Ridges White Part 41747 Element 4160101 ×5
  • Cylinder 3 x 6 x 2 2/3 Horizontal Hollow Studs White Part 30360 Element 4215142 or 4142999 ×4
  • Dish 4 x 4 Inverted [Radar] White Part 3960 Element 396001 ×4
  • Flag 2 x 2 Square [Thin Clips] White Part 2335 Element 4523403 or 233551 ×4
  • Hinge Plate 1 x 4 Locking Dual 1 Finger White Part 44568 Element 6276043 or 4193479 ×1
  • Leg Skeleton White Part 6266 Element 6240495 or 6038450 ×1
  • Lever Small Base with Black Lever White Part 298c02 Element 73737 1 spare in the box ×4
  • Panel 1 x 1 x 1 Corner White Part 6231 Element 6619293 or 623101 ×2
  • Panel 1 x 2 x 1 [Square Corners] White Part 4865a Element 486501 ×2
  • Plate 2 x 3 White Part 3021 Element 6550136 or 302101 ×5
  • Plate 2 x 6 White Part 3795 Element 6550146 or 379501 ×1
  • Plate 4 x 4 White Part 3031 Element 6552127 or 4243812 ×1
  • Plate Round 4 x 4 with Pin Hole White Part 60474 Element 6564904 or 4515347 ×1
  • Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] White Part 6019 Element 601951 or 601901 ×2
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] White Part 4081b Element 6281990 or 4632566 ×2
  • Plate Special 1 x 2 with Door Rail White Part 32028 Element 6550168 or 4249563 ×7
  • Plate Special 1 x 2 with Handle on End [Closed Ends] White Part 60478 Element 6552131 or 4515364 ×2
  • Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] White Part 3839b Element 6619286 or 383901 ×1
  • Tail Shuttle White Part 6239 Element 623901 ×2
  • Technic Beam 1 x 5 Thick White Part 32316 Element 4249021 or 4140465 ×4
  • Technic Brick 1 x 2 [1 Pin Hole] White Part 3700 Element 6619284 or 370001 ×6
  • Technic Brick 1 x 6 [5 Pin Holes] White Part 3894 Element 389401 ×3
  • Technic Panel Dome 7 x 7 x 5 with Pin Holes White Part 57587 Element 4520125 ×2
  • Tile 1 x 4 with Groove White Part 2431 Element 6548255 or 243101 ×1
  • Tile 1 x 8 with Groove White Part 4162 Element 6552110 or 416201 ×2
  • Tile 2 x 2 with Groove White Part 3068b Element 6548263 or 306801 ×4
  • Tile Special 1 x 1 with Clip and Straight Tips White Part 2555 Element 255501 ×2
  • Turntable 4 x 4 Square Base, Locking White Part 61485 Element 6619301 or 4611927 ×1
  • Wedge Plate 3 x 4 with Stud Notches White Part 48183 Element 4238793 or 4181037 ×1
  • Wheel Arch, Mudguard 4 x 2 1/2 x 2 with 2 x 2 Plate White Part 50745 Element 4259940 ×2
  • Windscreen 10 x 6 x 2 Curved White Part 45705 Element 4521148 or 4503530 ×4

Black 209 pieces

  • Bar 1 x 8 with Brick 1 x 2 Curved Top End (Axle Holder Inside Small End) Black Part 30359b Element 4164067 ×4
  • Bracket 1 x 2 - 1 x 4 [Square Corners] Black Part 2436 Element 4282746 or 243626 ×1
  • Brick 1 x 6 Black Part 3009 Element 300926 ×1
  • Brick 1 x 8 Black Part 3008 Element 300826 ×2
  • Brick 2 x 4 Black Part 3001 Element 300126 ×1
  • Brick Curved 4 x 1 No Studs [Stud Holder with Asymmetric Ridges] Black Part 61678 ×2
  • Brick Round Corner 10 x 10 with Slope 33° Edge, Axle Hole, Facet Cutout Black Part 58846 Element 6454174 or 6015466 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black Part 54200 Element 4504382 or 4287159 1 spare in the box ×2
  • Brick Sloped Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin Black Part 3747b Element 4500458 or 374726 ×36
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Black Part 3660 Element 366026 ×24
  • Brick Sloped Inverted 45° 4 x 4 Double with 4 x 2 Recessed Black Part 4854 Element 4643321 or 4603490 ×4
  • Brick Sloped Inverted 45° 6 x 4 Double with 4 x 4 Recessed Black Part 30283 Element 4119370 ×4
  • Brick Special 1 x 2 with Grille Black Part 2877 Element 287726 ×3
  • Brick Special 1 x 4 with Groove Black Part 2653 Element 265326 ×4
  • Brick Wedged, Curved 10 x 3 Left Black Part 50955 Element 6344913 or 6106304 ×1
  • Brick Wedged, Curved 10 x 3 Right Black Part 50956 Element 6344914 or 6106305 ×1
  • Brick Wedged, Curved 4 x 4 No Top Studs Black Part 47753 Element 4219107 ×1
  • Brick Wedged, Curved Inverted 6 x 4 Black Part 43713 Element 4180469 ×1
  • Brick Wedged, Sloped 45° 2 x 4 Triple Black Part 47759 Element 6301912 or 6188706 ×5
  • Cone 3 x 3 x 2 Black Part 6233 Element 4500978 or 4193529 ×2
  • Dish 4 x 4 Inverted [Radar] Black Part 3960 Element 396026 ×1
  • Hinge 1 x 2 Locking with 2 Fingers and Towball Socket, 9 Teeth Black Part 30396 Element 4144567 or 4143351 ×1
  • Hinge Cylinder 1 x 3 Locking with 1 Finger and 2 Fingers On Ends, with Hole, 9 Teeth Black Part 30554b Element 4507820 or 4143246 ×1
  • Hinge Plate 1 x 2 Locking with 1 Finger on Side, with Groove Black Part 44567a Element 4185620 ×1
  • Hose, Ribbed 7mm D. 14L / 11.2cm Black Part 78c14 Element 6143035 or 4275297 ×2
  • Launcher, Technic Competition Cannon Flat Bottom [Complete Assembly] Black Part 57796 Element 4518409 or 4499434 ×1
  • Plate 1 x 2 Black Part 3023 Element 302326 ×5
  • Plate 1 x 3 Black Part 3623 Element 362326 ×2
  • Plate 1 x 8 Black Part 3460 Element 346026 ×2
  • Plate 2 x 10 Black Part 3832 Element 383226 ×7
  • Plate 2 x 6 Black Part 3795 Element 379526 ×6
  • Plate 4 x 10 Black Part 3030 Element 303076 or 303026 ×1
  • Plate 4 x 4 Black Part 3031 Element 4243819 or 303126 ×4
  • Plate 4 x 6 Black Part 3032 Element 303226 ×6
  • Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Black Part 4081b Element 6281993 or 4632571 ×2
  • Plate Special 1 x 2 Side Handle [Free Ends] Black Part 2540 Element 4140588 or 254026 ×4
  • Plate Special 1 x 2 with Clips Horizontal [Thick U-Clips] Black Part 60470a Element 4537901 ×2
  • Support 1 x 1 x 5 1/3 Spiral Staircase Axle Black Part 40244 Element 4155558 ×2
  • Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Black Part 6553 Element 4107765 or 655326 ×2
  • Technic Axle 10 Black Part 3737 Element 373726 ×1
  • Technic Axle Connector Double Flexible [Rubber] Black Part 45590 Element 4198367 ×8
  • Technic Axle Connector with Axle Hole Black Part 32039 Element 4107081 or 3203926 ×2
  • Technic Axle and Pin Connector Angled #5 - 112.5° Black Part 32015 Element 6271346 or 4107084 ×8
  • Technic Brick 1 x 10 [9 Pin Holes] Black Part 2730 Element 273026 ×1
  • Technic Brick 1 x 2 [2 Pin Holes] Black Part 32000 Element 3200026 Also in Dark Bluish Gray ×2
  • Technic Gear 12 Tooth Double Bevel Black Part 32270 Element 4177431 ×1
  • Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] Black Part 32269 Element 4177430 ×1
  • Technic Pin with Friction Ridges Lengthwise and Center Slots Black Part 2780 Element 4121715 or 278026 3 spares in the box ×23
  • Tile 1 x 4 with Groove Black Part 2431 Element 243126 ×4
  • Tile Round 2 x 2 with Bottom Cross Black Part 4150 Element 415076 or 415026 ×2
  • Wedge Plate 12 x 3 Left Black Part 47397 Element 4209003 ×1
  • Wedge Plate 12 x 3 Right Black Part 47398 Element 4209013 ×1
  • Wheel 18mm x 14mm with Axle Hole, Fake Bolts and Shallow Spokes Black Part 55982 Element 4517737 ×1

Dark Bluish Gray 66 pieces

  • Brick 2 x 6 Dark Bluish Gray Part 2456 Element 4282819 or 4210875 ×1
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Dark Bluish Gray Part 61409 Element 4540386 or 4521185 ×12
  • Container Box 2 x 2 x 2 - Top Opening Dark Bluish Gray Part 61780 Element 4520307 ×2
  • Equipment Shovel [Rounded Handle End] Dark Bluish Gray Part 3837 Element 4211006 ×1
  • Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 9 Teeth Dark Bluish Gray Part 30553 Element 4210695 ×3
  • Plate 1 x 6 Dark Bluish Gray Part 3666 Element 4211056 ×1
  • Plate 2 x 12 Dark Bluish Gray Part 2445 Element 4211067 ×3
  • Plate 2 x 2 Dark Bluish Gray Part 3022 Element 4211094 ×1
  • Plate 2 x 4 Dark Bluish Gray Part 3020 Element 4211065 ×2
  • Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] Dark Bluish Gray Part 2444 Element 4196768 ×4
  • Technic Axle 8 with Stop Dark Bluish Gray Part 55013 Element 4499858 ×1
  • Technic Axle Connector 2 x 3 with Ball Socket, Closed Sides, Squared Ends Dark Bluish Gray Part 60176 Element 4519225 ×1
  • Technic Brick 1 x 2 [2 Pin Holes] Dark Bluish Gray Part 32000 Element 4210762 Also in Black ×8
  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Dark Bluish Gray Part 32064b ×1
  • Technic Brick Special 2 x 2 with Ball Socket and Axle Hole Dark Bluish Gray Part 57910 ×4
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Horizontal Top] Dark Bluish Gray Part 48170 Element 6279898 or 4227395 ×4
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Socket Dark Bluish Gray Part 48169 Element 6278974 or 4225973 ×5
  • Technic Brick Special 2 x 2 with Solid Ball and Axle Hole Dark Bluish Gray Part 57909a ×5
  • Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction Dark Bluish Gray Part 47455 Element 4522784 or 4272424 ×5
  • Tile 2 x 2 with Groove Dark Bluish Gray Part 3068b Element 4211055 ×2

Orange 59 pieces

  • Brick Curved 3 x 1 No Studs Orange Part 50950 Element 4251969 ×2
  • Brick Round 2 x 2 with Axle Hole Orange Part 3941 Element 4141089 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Orange Part 54200 Element 4504371 or 4248195 3 spares in the box ×10
  • Brick Sloped 45° 2 x 1 with Bottom Pin Orange Part 3040b Element 4121967 or 4118901 ×2
  • Brick Sloped Inverted 45° 6 x 1 Double with 1 x 4 Recessed Orange Part 52501 Element 6023970 or 4525650 ×2
  • Plate 1 x 2 Orange Part 3023 Element 4177932 or 4163009 ×1
  • Plate 1 x 4 Orange Part 3710 Element 4118782 ×12
  • Plate 2 x 4 Orange Part 3020 Element 4158355 or 4122468 ×2
  • Plate Round 1 x 1 with Solid Stud Orange Part 6141 Element 4157103 2 spares in the box Also in Trans-Neon Orange ×10
  • Tile Special 1 x 2 Grille with Bottom Groove Orange Part 2412b Element 4125254 or 3933106 ×16

Light Bluish Gray 47 pieces

  • Bracket 1 x 2 - 2 x 2 Light Bluish Gray Part 44728 Element 6117967 or 6009014 ×2
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Light Bluish Gray Part 54200 Element 4521921 or 4244372 1 spare in the box ×2
  • Brick Sloped 65° 2 x 1 x 2 Light Bluish Gray Part 60481 Element 4515374 ×2
  • Handlebars Light Bluish Gray Part 30031 Element 4258308 ×1
  • Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends Light Bluish Gray Part 30552 Element 4211679 ×3
  • Hinge Plate 1 x 4 Locking Dual 1 Finger Light Bluish Gray Part 44568 Element 6276045 or 4211840 ×2
  • Hinge Plate 3 x 4 Locking Dual 2 Finger, 9 Teeth Light Bluish Gray Part 44570 Element 4211841 ×2
  • Panel 1 x 1 x 1 Corner Light Bluish Gray Part 6231 Element 4215513 ×4
  • Plate 1 x 12 Light Bluish Gray Part 60479 Element 4514846 ×2
  • Plate 2 x 2 Corner Light Bluish Gray Part 2420 Element 4211353 ×2
  • Projectile, Technic Competition Arrow, Liftarm Shaft with Hollow Black Rubber End Light Bluish Gray Part 57028c01 Element 4299625 ×1
  • Technic Axle 3 Light Bluish Gray Part 4519 Element 4211815 ×1
  • Technic Axle 5 Light Bluish Gray Part 32073 Element 32073194 or 4211639 ×2
  • Technic Axle Connector Hub with 3 Axles at 120° Light Bluish Gray Part 57585 Element 4502595 ×5
  • Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Light Bluish Gray Part 42003 Element 6273724 or 4211779 ×1
  • Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Vertical Side] Light Bluish Gray Part 48171 Element 4227525 ×1
  • Technic Gear 24 Tooth Crown with Reinforcements [New Style] Light Bluish Gray Part 3650c Element 4211434 ×1
  • Tile 1 x 1 with Groove Light Bluish Gray Part 3070b Element 4211415 1 spare in the box ×3
  • Tile 1 x 2 with Groove Light Bluish Gray Part 3069b Element 4211414 ×2
  • Tile Special 1 x 2 with Handle Light Bluish Gray Part 2432 Element 4211357 ×2
  • Weapon Gun / Torch (Space) [with Grooves] Light Bluish Gray Part 3959 Element 4295570 or 4261357 ×1
  • Wheel 31 x 15 Technic, 7 Pin Holes Light Bluish Gray Part 60208 Element 4511007 ×3
  • Wheel 43.2 x 18 with Extended Axle Stem Light Bluish Gray Part 32020 Element 4496707 or 4179382 ×2

Blue 31 pieces

  • Brick 2 x 3 Blue Part 3002 Element 300223 ×2
  • Brick Special 1 x 4 with 4 Studs on One Side Blue Part 30414 Element 4212411 or 4141768 ×2
  • Plate 4 x 4 Blue Part 3031 Element 4243815 or 303123 ×4
  • Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Blue Part 3794a ×1
  • Technic Axle Pin with Friction Ridges Lengthwise Blue Part 43093 Element 4309323 or 4206482 ×20
  • Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Blue Part 6558 Element 4514553 ×2

Trans-Neon Green 28 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Neon Green Part 6141 Element 6240223 or 3005749 1 spare in the box ×20
  • Rock 1 x 1 Jewel / Gem 24 Facet Trans-Neon Green Part 30153 Element 6247790 or 4114505 ×6
  • Tile Special 1 x 2 Grille with Bottom Groove Trans-Neon Green Part 2412b Element 4272661 or 4109766 ×2

Trans-Red 17 pieces

  • Brick Round 1 x 1 Open Stud Trans-Red Part 3062b Element 6514235 or 6238673 ×5
  • Plate 1 x 1 Trans-Red Part 3024 Element 6513963 or 6252042 ×10
  • Plate Round 1 x 1 with Solid Stud Trans-Red Part 6141 Element 6514051 or 6208450 1 spare in the box ×2

Trans-Dark Blue 15 pieces

  • Brick 1 x 2 without Bottom Tube Trans-Dark Blue Part 3065 Element 6514264 or 6244906 ×1
  • Cone 1 x 1 [No Top Groove] Trans-Dark Blue Part 4589 Element 618843 ×9
  • Plate Round 1 x 1 with Solid Stud Trans-Dark Blue Part 6141 Element 6514055 or 6240214 1 spare in the box ×2
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Trans-Dark Blue Part 41669 Element 6133516 or 4163569 ×3

Lime 14 pieces

  • Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section Lime Part 40379 Element 6293393 or 6172469 ×2
  • Animal Body Part / Plant, Tail / Neck / Branch / Trunk, Middle Section with Pin, Round Pin Hole Lime Part 40378 Element 6290985 or 4650634 ×2
  • Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Lime Part 61409 Element 6370977 or 4540385 ×4
  • Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Lime Part 54200 Element 4504372 or 4298015 1 spare in the box ×4
  • Plate Special 1 x 2 with Angular Extension and Flexible Lime Tip Lime Part 61406pat0002 Element 4521898 ×2

Pearl Light Gray 12 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Pearl Light Gray Part 53451 Element 4568390 or 4494086 1 spare in the box ×3
  • Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Pearl Light Gray Part 41669 Element 4284480 or 4177440 ×9

Red 12 pieces

  • Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Red Part 53451 Element 6270107 or 4568388 1 spare in the box ×2
  • Technic Axle 2 Notched Red Part 32062 Element 4142865 ×9
  • Technic Axle Connector Smooth [with x Hole + Orientation] Red Part 59443 Element 4513174 ×1

Yellow 10 pieces

  • Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening] Yellow Part 32064b ×8
  • Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Yellow Part 32123b Element 6271167 or 3212324 1 spare in the box ×2

Trans-Neon Orange 4 pieces

  • Plate Round 1 x 1 with Solid Stud Trans-Neon Orange Part 6141 Element 6240218 or 3005747 1 spare in the box Also in Orange ×4

Tan 2 pieces

  • Technic Gear 12 Tooth Bevel Tan Part 6589 Element 4565452 or 4514556 ×2

Trans-Orange 2 pieces

  • Windscreen 6 x 4 x 2 Wedge Curved Trans-Orange Part 41883 Element 4505858 ×1
  • Windscreen 8 x 6 x 4 with Locking Dual 2 Fingers Trans-Orange Part 62694 Element 4534860 ×1

[No Color/Any Color] 2 pieces

  • Sticker Sheet 1 for Set 7649-1 [No Color/Any Color] Part 64399 Element 4534999 ×1
  • Sticker Sheet 2 for Set 7649-1 [No Color/Any Color] Part 64400 Element 4535001 ×1

Minifigures 3 figures

  • Martian, Alien Commander Minifigure, checked as a whole figure ×1
  • Mars Astronaut, Balaclava, and Backpack Minifigure, checked as a whole figure ×1
  • Mars Astronaut, Cheek Lines, and Backpack Minifigure, checked as a whole figure ×1

Tick each piece as you find it, or mark it missing.

When a piece really is missing

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