Catalog: Sets: Technic: Model: Off-Road: 41999-1: InvPrinter-friendly page
Sort Items By:     
Change Log
4 x 4 Crawler Exclusive Edition

Set No: 41999 Name: 4 x 4 Crawler Exclusive Edition
* 

This Set Consists of the following Items:

[ List | List with Images ] --- [ Standard View | Break Sets | Break Minifigures | New Items ]

 Inv ID   Image   Qty   Item No  Description   MID 
Regular Items:
Parts:
 541907 Yes 1  41999stk01Sticker Sheet for Set 41999 - (16629/6062620)
 536704 Yes 1  61930c01Black Electric, Light Unit Power Functions with Black PF Connector Lead
 536580 Yes 2  3024Black Plate 1 x 1
 536581 Yes 2  3023Black Plate 1 x 2
 536583 Yes 2  3666Black Plate 1 x 6
 536582 Yes 1  3021Black Plate 2 x 3
 536605 Yes 1  4282Black Plate 2 x 16
 536601 Yes 6  4032Black Plate, Round 2 x 2 with Axle Hole
 980102 Yes 1  x77cc100Black String, Cord Medium Thickness 100cm
 536607 Yes 4  3705Black Technic, Axle 4L
 536608 Yes 4  3706Black Technic, Axle 6L
 536609 Yes 2  3737Black Technic, Axle 10L
 536610 Yes 2  3708Black Technic, Axle 12L
 536619 Yes 4  32013Black Technic, Axle and Pin Connector Angled #1
 536618 Yes 12  32034Black Technic, Axle and Pin Connector Angled #2 - 180 degrees
 536620 Yes 6  32016Black Technic, Axle and Pin Connector Angled #3 - 157.5 degrees
 536623 Yes 4  32014Black Technic, Axle and Pin Connector Angled #6 - 90 degrees
 536626 Yes 13  6536Black Technic, Axle and Pin Connector Perpendicular
 536613 Yes 8  42003Black Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes
 536588 Yes 11  41678Black Technic, Axle and Pin Connector Perpendicular Double Split
 536590 Yes 12  92907Black Technic, Axle and Pin Connector Perpendicular Split
 536622 Yes 4  44Black Technic, Axle and Pin Connector Toggle Joint Smooth
 536627 Yes 12  6538cBlack Technic, Axle Connector 2L (Smooth with x Hole + Orientation)
 536617 Yes 4  45590Black Technic, Axle Connector Double - Flexible Rubber
 536616 Yes 7  32039Black Technic, Axle Connector with Axle Hole
 536612 Yes 2  32000Black Technic, Brick 1 x 2 with Holes
 536604 Yes 1  3703Black Technic, Brick 1 x 16 with Holes
 536611 Yes 12  32270Black Technic, Gear 12 Tooth Double Bevel
 536603 Yes 1  32498Black Technic, Gear 36 Tooth Double Bevel
 536602 Yes 2  87761Black Technic, Gear Rack 1 x 7 with Axle and Pin Holes
 536591 Yes 7  43857Black Technic, Liftarm Thick 1 x 2
 536597 Yes 7  32316Black Technic, Liftarm Thick 1 x 5
 536598 Yes 2  32524Black Technic, Liftarm Thick 1 x 7
 536599 Yes 1  32525Black Technic, Liftarm Thick 1 x 11
 536600 Yes 1  41239Black Technic, Liftarm Thick 1 x 13
 536614 Yes 14  41677Black Technic, Liftarm Thin 1 x 2 - Axle Holes
 536587 Yes 2  32063Black Technic, Liftarm Thin 1 x 6
 536594 Yes 6  32348Black Technic, Liftarm, Modified Bent Thick 1 x 7 (4 - 4)
 536595 Yes 6  6629Black Technic, Liftarm, Modified Bent Thick 1 x 9 (6 - 4)
 536596 Yes 6  32271Black Technic, Liftarm, Modified Bent Thick 1 x 9 (7 - 3)
 536593 Yes 5  32140Black Technic, Liftarm, Modified Bent Thick L-Shape 2 x 4
 536586 Yes 2  99773Black Technic, Liftarm, Modified Triangle Thin 3 x 5 with Short Supports
 536592 Yes 1  60484Black Technic, Liftarm, Modified T-Shape Thick 3 x 3
 536589 Yes 4  2739aBlack Technic, Link 1 x 6 without Stoppers
 536625 Yes 2  87082Black Technic, Pin 3L with Friction Ridges and Center Pin Hole
 536615 Yes 17  32054Black Technic, Pin 3L with Friction Ridges and Stop Bush
 536628 Yes 10  62462Black Technic, Pin Connector Round 2L with Slot (Pin Joiner Round)
 536621 Yes 8  6628Black Technic, Pin with Friction Ridges and Tow Ball (Undetermined Type)
 536624 Yes 344  2780Black Technic, Pin with Short Friction Ridges
 536606 Yes 4  54120Black Tire 94.8 x 44 R Balloon
 541908 Yes 4  15038pb01Black Wheel 56mm D. x 34mm Technic Racing Medium, 6 Pin Holes with White Rim Edge Pattern
 536579 Yes 115  43093Blue Technic, Axle 1L with Pin with Friction Ridges
 536577 Yes 3  41677Blue Technic, Liftarm Thin 1 x 2 - Axle Holes
 536578 Yes 12  4274Blue Technic, Pin 1/2 without Friction Ridges
 536575 Yes 101  6558Blue Technic, Pin 3L with Friction Ridges
 536576 Yes 1  2412bBlue Tile, Modified 1 x 2 Grille with Bottom Groove
 536634 Yes 14  42003Dark Blue Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes
 536637 Yes 24  32525Dark Blue Technic, Liftarm Thick 1 x 11
 536638 Yes 10  32278Dark Blue Technic, Liftarm Thick 1 x 15
 536635 Yes 6  32526Dark Blue Technic, Liftarm, Modified Bent Thick L-Shape 3 x 5
 536639 Yes 3  11954Dark Blue Technic, Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface
 536643 Yes 3  87080Dark Blue Technic, Panel Fairing # 1 Small Smooth Short, Side A
 536644 Yes 3  87086Dark Blue Technic, Panel Fairing # 2 Small Smooth Short, Side B
 536642 Yes 3  64681Dark Blue Technic, Panel Fairing # 5 Long Smooth, Side A
 536641 Yes 3  64393Dark Blue Technic, Panel Fairing # 6 Long Smooth, Side B
 536640 Yes 6  64782Dark Blue Technic, Panel Plate 5 x 11 x 1
 536632 Yes 2  3069Dark Blue Tile 1 x 2
 536636 Yes 1  4162Dark Blue Tile 1 x 8
 536633 Yes 5  2412bDark Blue Tile, Modified 1 x 2 Grille with Bottom Groove
 536693 Yes 1  30395Dark Bluish Gray Hook with Tow Ball
 536685 Yes 1  32012Dark Bluish Gray String Reel 3 x 2 x 3 Drum with Axle Hole
 536690 Yes 9  87083Dark Bluish Gray Technic, Axle 4L with Stop
 536692 Yes 3  32209Dark Bluish Gray Technic, Axle 5.5L with Stop
 536691 Yes 4  55013Dark Bluish Gray Technic, Axle 8L with Stop
 536687 Yes 2  41678Dark Bluish Gray Technic, Axle and Pin Connector Perpendicular Double Split
 583031 Yes 2  62821bDark Bluish Gray Technic, Gear Differential 28 Tooth Bevel - Inner Tabs with Closed Center
 536686 Yes 2  92911Dark Bluish Gray Technic, Steering Ball Joint Large Receptacle
 536688 Yes 4  92909Dark Bluish Gray Technic, Steering Wheel Hub 3 Pins Round
 536631 Yes 3  6587Dark Tan Technic, Axle 3L with Stud
 536700 Yes 1  59510c01 (Inv)Light Bluish Gray Electric 9V Battery Box 4 x 11 x 7 PF with Orange Switch and Dark Bluish Gray Covers
 536703 Yes 1  bb0339c01Light Bluish Gray Electric Pole Reverser / Polarity Switch with Black Lead, Power Functions
 536701 Yes 1  58122c01 (Inv)Light Bluish Gray Electric Power Functions 9V Remote Control Unit with Dark Bluish Gray Bottom (58122c00 / 58135)
 536702 Yes 1  58123bc01Light Bluish Gray Electric Power Functions Receiver Unit with Dark Bluish Gray Bottom and Black V2 Print (Version 2)
 536706 Yes 2  99499c01Light Bluish Gray Electric, Motor 9V Power Functions L with Dark Bluish Gray Bottom
 536705 Yes 1  58120c01Light Bluish Gray Electric, Motor 9V Power Functions M with Dark Bluish Gray Bottom
 536707 Yes 1  99498c01Light Bluish Gray Electric, Motor 9V Power Functions Servo with Dark Bluish Gray Bottom
 536647 Yes 2  3022Light Bluish Gray Plate 2 x 2
 536648 Yes 1  2817Light Bluish Gray Plate, Modified 2 x 2 with Pin Holes
 536652 Yes 15  3713Light Bluish Gray Technic Bush
 536676 Yes 18  4265cLight Bluish Gray Technic Bush 1/2 Smooth
 536680 Yes 6  6553Light Bluish Gray Technic, Axle 2L with Reverser Handle Axle Connector
 536660 Yes 38  4519Light Bluish Gray Technic, Axle 3L
 536661 Yes 14  32073Light Bluish Gray Technic, Axle 5L
 536662 Yes 2  44294Light Bluish Gray Technic, Axle 7L
 536663 Yes 6  60485Light Bluish Gray Technic, Axle 9L
 536651 Yes 4  32034Light Bluish Gray Technic, Axle and Pin Connector Angled #2 - 180 degrees
 536667 Yes 21  6536Light Bluish Gray Technic, Axle and Pin Connector Perpendicular
 536670 Yes 17  42003Light Bluish Gray Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes
 536673 Yes 6  32184Light Bluish Gray Technic, Axle and Pin Connector Perpendicular 3L with Center Pin Hole
 536668 Yes 4  98989Light Bluish Gray Technic, Axle and Pin Connector Perpendicular Double 4L
 536672 Yes 9  63869Light Bluish Gray Technic, Axle and Pin Connector Perpendicular Triple
 536664 Yes 2  6538cLight Bluish Gray Technic, Axle Connector 2L (Smooth with x Hole + Orientation)
 536681 Yes 5  94925Light Bluish Gray Technic, Gear 16 Tooth - Axle Hole with Closed Sides
 536682 Yes 1  4716Light Bluish Gray Technic, Gear Worm Screw, Long
 536669 Yes 15  60483Light Bluish Gray Technic, Liftarm Thick 1 x 2 - Axle Hole
 536650 Yes 6  32523Light Bluish Gray Technic, Liftarm Thick 1 x 3
 536655 Yes 2  40490Light Bluish Gray Technic, Liftarm Thick 1 x 9
 536653 Yes 4  32348Light Bluish Gray Technic, Liftarm, Modified Bent Thick 1 x 7 (4 - 4)
 536654 Yes 4  32526Light Bluish Gray Technic, Liftarm, Modified Bent Thick L-Shape 3 x 5
 536674 Yes 8  32056Light Bluish Gray Technic, Liftarm, Modified Bent Thin L-Shape 3 x 3
 536656 Yes 2  64179Light Bluish Gray Technic, Liftarm, Modified Frame Thick 5 x 7 Open Center
 536657 Yes 2  64178Light Bluish Gray Technic, Liftarm, Modified Frame Thick 5 x 11 Open Center
 536649 Yes 2  60484Light Bluish Gray Technic, Liftarm, Modified T-Shape Thick 3 x 3
 536665 Yes 12  87082Light Bluish Gray Technic, Pin 3L with Friction Ridges and Center Pin Hole
 536679 Yes 24  32054Light Bluish Gray Technic, Pin 3L with Friction Ridges and Stop Bush
 536666 Yes 2  44809Light Bluish Gray Technic, Pin Connector Perpendicular 2 x 2 Bent
 536671 Yes 6  48989Light Bluish Gray Technic, Pin Connector Perpendicular 3L with 4 Pins
 536677 Yes 2  32138Light Bluish Gray Technic, Pin Double with Axle Hole
 536646 Yes 4  3673Light Bluish Gray Technic, Pin without Friction Ridges
 536659 Yes 2  92910Light Bluish Gray Technic, Steering Ball Joint Large Open with C-Shape Pivot Frame
 536658 Yes 4  92908Light Bluish Gray Technic, Steering Portal Axle, Housing
 536675 Yes 1  2819Light Bluish Gray Technic, Steering Wheel Small, 3 Studs Diameter
 536678 Yes 6  62520c01 (Inv)Light Bluish Gray Technic, Universal Joint 3L
 536645 Yes 1  42610Light Bluish Gray Wheel 11mm D. x 8mm with Center Groove
 536699 Yes 2  x346Metallic Silver Bionicle 1 x 3 Tooth with Axle Hole (Bohrok Eye)
 536696 Yes 4  32524Metallic Silver Technic, Liftarm Thick 1 x 7
 536695 Yes 6  32271Metallic Silver Technic, Liftarm, Modified Bent Thick 1 x 9 (7 - 3)
 536698 Yes 10  62462Metallic Silver Technic, Pin Connector Round 2L with Slot (Pin Joiner Round)
 536697 Yes 2  2412bMetallic Silver Tile, Modified 1 x 2 Grille with Bottom Groove
 536694 Yes 1  2412bOrange Tile, Modified 1 x 2 Grille with Bottom Groove
 536573 Yes 10  3713Red Technic Bush
 536560 Yes 69  32062Red Technic, Axle 2L Notched
 536574 Yes 4  32291Red Technic, Axle and Pin Connector Perpendicular Double
 536559 Yes 2  41678Red Technic, Axle and Pin Connector Perpendicular Double Split
 536561 Yes 8  6538cRed Technic, Axle Connector 2L (Smooth with x Hole + Orientation)
 536571 Yes 6  43857Red Technic, Liftarm Thick 1 x 2
 536572 Yes 2  32523Red Technic, Liftarm Thick 1 x 3
 536565 Yes 13  32316Red Technic, Liftarm Thick 1 x 5
 536566 Yes 6  32524Red Technic, Liftarm Thick 1 x 7
 536567 Yes 9  40490Red Technic, Liftarm Thick 1 x 9
 536568 Yes 16  32525Red Technic, Liftarm Thick 1 x 11
 536569 Yes 10  41239Red Technic, Liftarm Thick 1 x 13
 536570 Yes 10  32278Red Technic, Liftarm Thick 1 x 15
 536558 Yes 5  6632Red Technic, Liftarm Thin 1 x 3 - Axle Holes
 536563 Yes 29  32140Red Technic, Liftarm, Modified Bent Thick L-Shape 2 x 4
 536564 Yes 5  32526Red Technic, Liftarm, Modified Bent Thick L-Shape 3 x 5
 536562 Yes 6  32054Red Technic, Pin 3L with Friction Ridges and Stop Bush
 536544 Yes 6  3023Tan Plate 1 x 2
 536546 Yes 2  3031Tan Plate 4 x 4
 536541 Yes 4  54200Tan Slope 30 1 x 1 x 2/3
 536542 Yes 2  85984Tan Slope 30 1 x 2 x 2/3
 536543 Yes 4  50950Tan Slope, Curved 3 x 1
 536548 Yes 1  3749Tan Technic, Axle 1L with Pin without Friction Ridges
 536550 Yes 9  99008Tan Technic, Axle 4L with Center Stop
 536540 Yes 4  3701Tan Technic, Brick 1 x 4 with Holes
 536551 Yes 6  6589Tan Technic, Gear 12 Tooth Bevel
 536552 Yes 13  32269Tan Technic, Gear 20 Tooth Double Bevel
 536547 Yes 3  32002Tan Technic, Pin 3/4
 536549 Yes 5  32556Tan Technic, Pin 3L without Friction Ridges
 536545 Yes 4  3068Tan Tile 2 x 2
 536630 Yes 4  4073Trans-Clear Plate, Round 1 x 1
 536629 Yes 4  2654Trans-Clear Plate, Round 2 x 2 with Rounded Bottom (Boat Stud)
 536683 Yes 2  3069Trans-Orange Tile 1 x 2
 536684 Yes 6  3069Trans-Red Tile 1 x 2
 536538 Yes 2  x346White Bionicle 1 x 3 Tooth with Axle Hole (Bohrok Eye)
 536539 Yes 1  60c01White Technic, Gear 24 Tooth Clutch
 536534 Yes 4  32523White Technic, Liftarm Thick 1 x 3
 536535 Yes 2  32316White Technic, Liftarm Thick 1 x 5
 536536 Yes 5  32525White Technic, Liftarm Thick 1 x 11
 536537 Yes 1  32278White Technic, Liftarm Thick 1 x 15
 536533 Yes 4  32526White Technic, Liftarm, Modified Bent Thick L-Shape 3 x 5
 543275 Yes 1  87079pb0150White Tile 2 x 4 with Gray Outlined 'EK xxxxx of 20000' Pattern from Set 41999
 536530 Yes 3  2412bWhite Tile, Modified 1 x 2 Grille with Bottom Groove
 536556 Yes 4  4265cYellow Technic Bush 1/2 Smooth
 536553 Yes 2  32524Yellow Technic, Liftarm Thick 1 x 7
 536554 Yes 1  32017Yellow Technic, Liftarm Thin 1 x 5
 536555 Yes 5  99773Yellow Technic, Liftarm, Modified Triangle Thin 3 x 5 with Short Supports
 536557 Yes 4  95292c01Yellow Technic, Shock Absorber 9.5L (Extra Hard Spring)
Extra Items:
Parts:
 573747 Yes 1  3024Black Plate 1 x 1
 573746 Yes 8  2780Black Technic, Pin with Short Friction Ridges
 573745 Yes 2  4274Blue Technic, Pin 1/2 without Friction Ridges
 573744 Yes 2  3713Light Bluish Gray Technic Bush
 573743 Yes 1  4265cLight Bluish Gray Technic Bush 1/2 Smooth
 573742 Yes 1  3673Light Bluish Gray Technic, Pin without Friction Ridges
 594051 Yes 1  3713Red Technic Bush
 573741 Yes 1  54200Tan Slope 30 1 x 1 x 2/3
 573740 Yes 1  6589Tan Technic, Gear 12 Tooth Bevel
 573739 Yes 2  32002Tan Technic, Pin 3/4
 573738 Yes 1  4073Trans-Clear Plate, Round 1 x 1
 536531 Yes 1  87079White Tile 2 x 4
 573737 Yes 1  4265cYellow Technic Bush 1/2 Smooth
Counterparts:
Parts:
 545498 Yes 4  15038pb01c01 (Inv)Black Wheel 56mm D. x 34mm Technic Racing Medium, 6 Pin Holes with White Rim Edge Pattern with Black Tire 94.8 x 44 R Balloon (15038pb01 / 54120)
 816502 Yes 1  32525pb022LDark Blue Technic, Liftarm Thick 1 x 11 with 'RACING OIL' in White Ellipse Pattern Model Left Side (Sticker) - Set 41999
 816501 Yes 1  32525pb022RDark Blue Technic, Liftarm Thick 1 x 11 with 'RACING OIL' in White Ellipse Pattern Model Right Side (Sticker) - Set 41999
 816504 Yes 1  32525pb021LDark Blue Technic, Liftarm Thick 1 x 11 with White Stripe Pattern Model Left Side (Sticker) - Set 41999
 816503 Yes 1  32525pb021RDark Blue Technic, Liftarm Thick 1 x 11 with White Stripe Pattern Model Right Side (Sticker) - Set 41999
 816506 Yes 1  32278pb022LDark Blue Technic, Liftarm Thick 1 x 15 with 'THROTTLE POWER' Pattern Model Left Side (Sticker) - Set 41999
 816505 Yes 1  32278pb022RDark Blue Technic, Liftarm Thick 1 x 15 with 'THROTTLE POWER' Pattern Model Right Side (Sticker) - Set 41999
 816508 Yes 1  11954pb005LDark Blue Technic, Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface with White Stripe Pattern Model Left Side (Sticker) - Set 41999
 816507 Yes 1  11954pb005RDark Blue Technic, Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface with White Stripe Pattern Model Right Side (Sticker) - Set 41999
 816510 Yes 1  87080pb040Dark Blue Technic, Panel Fairing # 1 Small Smooth Short, Side A with 'V8' Pattern (Sticker) - Set 41999
 816512 Yes 1  87080pb039Dark Blue Technic, Panel Fairing # 1 Small Smooth Short, Side A with White Stripe Pattern (Sticker) - Set 41999
 816509 Yes 1  87086pb040Dark Blue Technic, Panel Fairing # 2 Small Smooth Short, Side B with 'V8' Pattern (Sticker) - Set 41999
 816511 Yes 1  87086pb039Dark Blue Technic, Panel Fairing # 2 Small Smooth Short, Side B with White Stripe Pattern (Sticker) - Set 41999
 816303 Yes 1  64681pb030Dark Blue Technic, Panel Fairing # 5 Long Smooth, Side A with '83' in White Circle Pattern (Sticker) - Set 41999
 816305 Yes 1  64681pb031Dark Blue Technic, Panel Fairing # 5 Long Smooth, Side A with 'PRESS OIL PUMPS', 'IG NITION' and 'CRAWLR GEARS' Pattern (Sticker) - Set 41999
 816514 Yes 1  64681pb032Dark Blue Technic, Panel Fairing # 5 Long Smooth, Side A with White Stripe and Door Handle Pattern (Sticker) - Set 41999
 816302 Yes 1  64393pb030Dark Blue Technic, Panel Fairing # 6 Long Smooth, Side B with '83' in White Circle Pattern (Sticker) - Set 41999
 816304 Yes 1  64393pb031Dark Blue Technic, Panel Fairing # 6 Long Smooth, Side B with 'CRAWLR GEARS', 'IG NITION' and 'PRESS OIL PUMPS' Pattern (Sticker) - Set 41999
 816513 Yes 1  64393pb032Dark Blue Technic, Panel Fairing # 6 Long Smooth, Side B with White Stripe and Door Handle Pattern (Sticker) - Set 41999
 816519 Yes 2  64782pb022Dark Blue Technic, Panel Plate 5 x 11 x 1 with 'EGOR DESIGN' Pattern (Sticker) - Set 41999
 816516 Yes 1  64782pb021LDark Blue Technic, Panel Plate 5 x 11 x 1 with 'C U LATER TURBOS' and '83' in White Circle Pattern Model Left Side (Stickers) - Set 41999
 816515 Yes 1  64782pb021RDark Blue Technic, Panel Plate 5 x 11 x 1 with 'C U LATER TURBOS', 'action FUEL' and 'BEAMS & Co. STRUCTURES' Pattern Model Right Side (Stickers) - Set 41999
 816518 Yes 1  64782pb020LDark Blue Technic, Panel Plate 5 x 11 x 1 with 'EGOR DESIGN' Pattern Model Left Side (Sticker) - Set 41999
 816517 Yes 1  64782pb020RDark Blue Technic, Panel Plate 5 x 11 x 1 with 'EGOR DESIGN' Pattern Model Right Side (Sticker) - Set 41999
 546162 Yes 4  92908c01 (Inv)Light Bluish Gray Technic, Steering Portal Axle, Housing with Dark Bluish Gray Wheel Hub 3 Pins Round (92908 / 92909)

Note:

Printed Tile Note:

Each set comes with a unique White 2 x 4 Tile which acts as a certificate of authenticity in that it provides each copy of the set with a unique 5 digit 'license plate' number, ranging from 00001 to 20000.

When listing this part for sale, please specify each tile's unique 5-digit number.

------------------------------------------------------------------------------------------------------------------------

Stickered Counterparts Note:

This set included only 2 parts Technic, Panel Plate 5 x 11 x 1 with 'EGOR DESIGN' Pattern in dark blue.

Part 64782pb022 shows the part with the sticker applied as shown in set instructions.

Parts 64782pb020L and 64782pb020R show the parts with stickers applied as shown in the official set pictures.

Summary:

 Type  Unique Lots  Total Qty 
Regular Items:
 Parts  178  1,584 
Extra Items:
 Parts  13  23 
Counterparts:
 Parts  25  32 

Source:
Parts List

MMR1988 (128) inventoried this Set on Sep 25, 2013, inventory last updated on Feb 4, 2020.

Links Related to this Inventory:

See explanation on what Regular, Extra, Counterpart and Alternate means.

Disclaimer: BrickLink does not guarantee an inventory to be correct and therefore an inventory should be only used as a guide.