Catalog: Parts: Brick, Round: 3941: Known Colors: In Train Category
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Brick, Round 2 x 2 with Axle Hole

Part No: 3941  Name: Brick, Round 2 x 2 with Axle Hole
* 

This Part appears in at least the following items:

[ List | List with Images | Thumbnail Gallery | Summary ]

 Qty 
 Item No  Description   Year 
 Image 
Appears As Regular:
  White:
 3 in 4512-1 (Inv)Cargo Train
534 Parts, 3 Minifigures
Catalog: SetsTrain9VWorld City
2003Set No: 4512  Name: Cargo Train
* 
 5 in 60052-1 (Inv)Cargo Train
871 Parts, 4 Minifigures
Catalog: SetsTrainRC Train
2014Set No: 60052  Name: Cargo Train
* 
 4 in 7898-1 (Inv)Cargo Train Deluxe
815 Parts, 5 Minifigures
Catalog: SetsTrainRC Train
2006Set No: 7898  Name: Cargo Train Deluxe
* 
 4 in 7727-1 (Inv)Freight Steam Train
551 Parts, 2 Minifigures
Catalog: SetsTrain12V
1983Set No: 7727  Name: Freight Steam Train
* 
 12 in 7722-1 (Inv)Steam Cargo Train, battery
466 Parts, 3 Minifigures, 1 Book
Catalog: SetsTrain4.5V
1985Set No: 7722  Name: Steam Cargo Train, battery
* 
 1 in 2126-1 (Inv)Train Cars
344 Parts, 5 Minifigures
Catalog: SetsTrain9V
1997Set No: 2126  Name: Train Cars
* 
 1 in 10027-1 (Inv)Train Engine Shed
656 Parts, 2 Minifigures
Catalog: SetsTrain9VWorld City
2003Set No: 10027  Name: Train Engine Shed
* 
  Light Bluish Gray:
 1 in 7898-1 (Inv)Cargo Train Deluxe
815 Parts, 5 Minifigures
Catalog: SetsTrainRC Train
2006Set No: 7898  Name: Cargo Train Deluxe
* 
  Light Gray:
 1 in 4512-1 (Inv)Cargo Train
534 Parts, 3 Minifigures
Catalog: SetsTrain9VWorld City
2003Set No: 4512  Name: Cargo Train
* 
 1 in 7817-1 (Inv)Crane Wagon
143 Parts, 1 Minifigure
Catalog: SetsTrain4.5V
1985Set No: 7817  Name: Crane Wagon
* 
 6 in 4565-1 (Inv)Freight and Crane Railway
901 Parts, 3 Minifigures
Catalog: SetsTrain9V
1996Set No: 4565  Name: Freight and Crane Railway
* 
 2 in 10025-1 (Inv)Santa Fe Cars - Set I (mail or baggage car)
326 Parts
Catalog: SetsTrain9VMy Own Creation
2002Set No: 10025  Name: Santa Fe Cars - Set I (mail or baggage car)
* 
 4 in 10020-2 (Inv)Santa Fe Super Chief, Limited Edition
430 Parts, 2 Minifigures
Catalog: SetsTrain9V
2002Set No: 10020  Name: Santa Fe Super Chief, Limited Edition
* 
 4 in 10020-1 (Inv)Santa Fe Super Chief, NOT the Limited Edition
427 Parts, 2 Minifigures
Catalog: SetsTrain9V
2002Set No: 10020  Name: Santa Fe Super Chief, NOT the Limited Edition
* 
 1 in 4533-1 (Inv)Train Track Snow Remover
54 Parts, 1 Minifigure
Catalog: SetsTrain9V
1999Set No: 4533  Name: Train Track Snow Remover
* 
  Dark Bluish Gray:
 3 in 10133-1 (Inv)Burlington Northern Santa Fe (BNSF) GP-38 Locomotive
400 Parts, 2 Minifigures
Catalog: SetsTrain9V
2004Set No: 10133  Name: Burlington Northern Santa Fe (BNSF) GP-38 Locomotive
* 
  Black:
 1 in 4514-1 (Inv)Cargo Crane
169 Parts, 2 Minifigures
Catalog: SetsTrain9VWorld City
2003Set No: 4514  Name: Cargo Crane
* 
 1 in 3225-1 (Inv)Classic Train
272 Parts, 3 Minifigures
Catalog: SetsTrain9V
1998Set No: 3225  Name: Classic Train
* 
 8 in 10277-1 (Inv)Crocodile Locomotive
1263 Parts, 2 Minifigures
Catalog: SetsTrain
2020Set No: 10277  Name: Crocodile Locomotive
* 
 1 in 7730-1 (Inv)Electric Goods Train
511 Parts, 2 Minifigures
Catalog: SetsTrain12V
1980Set No: 7730  Name: Electric Goods Train
* 
 2 in 4565-1 (Inv)Freight and Crane Railway
901 Parts, 3 Minifigures
Catalog: SetsTrain9V
1996Set No: 4565  Name: Freight and Crane Railway
* 
 2 in 4557-1 (Inv)Freight Loading Station
207 Parts, 2 Minifigures
Catalog: SetsTrain9V
1999Set No: 4557  Name: Freight Loading Station
* 
 2 in 7727-1 (Inv)Freight Steam Train
551 Parts, 2 Minifigures
Catalog: SetsTrain12V
1983Set No: 7727  Name: Freight Steam Train
* 
 1 in 10173-1 (Inv)Holiday Train
936 Parts, 7 Minifigures
Catalog: SetsTrain9V
2006Set No: 10173  Name: Holiday Train
* 
 2 in 7936-1 (Inv)Level Crossing
138 Parts, 1 Minifigure
Catalog: SetsTrainRC Train
2010Set No: 7936  Name: Level Crossing
* 
 1 in 10205-1 (Inv)Locomotive
234 Parts
Catalog: SetsTrain9VMy Own Train
2002Set No: 10205  Name: Locomotive
* 
 1 in 3745-1 (Inv)Locomotive Black Bricks
103 Parts
Catalog: SetsTrain9VMy Own Train
2001Set No: 3745  Name: Locomotive Black Bricks
* 
 1 in 3743-1 (Inv)Locomotive Blue Bricks
103 Parts
Catalog: SetsTrain9VMy Own Train
2001Set No: 3743  Name: Locomotive Blue Bricks
* 
 1 in 3746-1 (Inv)Locomotive Brown Bricks
103 Parts
Catalog: SetsTrain9VMy Own Train
2001Set No: 3746  Name: Locomotive Brown Bricks
* 
 1 in 3747-1 (Inv)Locomotive Gray Bricks
103 Parts
Catalog: SetsTrain9VMy Own Train
2001Set No: 3747  Name: Locomotive Gray Bricks
* 
 1 in 3744-1 (Inv)Locomotive Green Bricks
103 Parts
Catalog: SetsTrain9VMy Own Train
2001Set No: 3744  Name: Locomotive Green Bricks
* 
 1 in 10219-1 (Inv)Maersk Container Train
1218 Parts, 3 Minifigures
Catalog: SetsTrainRC Train
2011Set No: 10219  Name: Maersk Container Train
* 
 2 in 7710-1 (Inv)Push-Along Passenger Steam Train
412 Parts, 5 Minifigures
Catalog: SetsTrain4.5V
1980Set No: 7710  Name: Push-Along Passenger Steam Train
* 
 3 in 7715-1 (Inv)Push-Along Passenger Steam Train
429 Parts, 5 Minifigures
Catalog: SetsTrain4.5V
1985Set No: 7715  Name: Push-Along Passenger Steam Train
* 
 2 in 7810-1 (Inv)Push-Along Steam Engine (Locomotive without motor)
91 Parts, 1 Minifigure
Catalog: SetsTrain4.5V
1980Set No: 7810  Name: Push-Along Steam Engine (Locomotive without motor)
* 
 1 in 7822-1 (Inv)Railway Station
372 Parts, 3 Minifigures
Catalog: SetsTrain4.5V
1980Set No: 7822  Name: Railway Station
* 
 3 in 7750-1 (Inv)Steam Engine
254 Parts, 2 Minifigures
Catalog: SetsTrain12V
1980Set No: 7750  Name: Steam Engine
* 
 2 in 40370-1 (Inv)Steam Engine {Reissue of Set 7810}
184 Parts, 1 Minifigure
Catalog: SetsTrainPromotional
2020Set No: 40370  Name: Steam Engine {Reissue of Set 7810}
* 
 4 in 7864-1 (Inv)Transformer / Controller 12V
28 Parts
Catalog: SetsTrainSupplemental12V
1980Set No: 7864  Name: Transformer / Controller 12V
* 
  Red:
 2 in 4547-1 (Inv)Club Car
273 Parts, 5 Minifigures
Catalog: SetsTrain9V
1993Set No: 4547  Name: Club Car
* 
 2 in 10002-1 (Inv)Railroad Club Car
273 Parts, 5 Minifigures
Catalog: SetsTrain9VLegends
2001Set No: 10002  Name: Railroad Club Car
* 
 1 in 3677-1 (Inv)Red Cargo Train
815 Parts, 4 Minifigures
Catalog: SetsTrainRC Train
2011Set No: 3677  Name: Red Cargo Train
* 
 12 in 2150-1 (Inv)Train Station
554 Parts, 8 Minifigures
Catalog: SetsTrain9V
1996Set No: 2150  Name: Train Station
* 
 30 in 4556-1 (Inv)Train Station
212 Parts, 7 Minifigures
Catalog: SetsTrain9V
1999Set No: 4556  Name: Train Station
* 
  Brown:
 36 in 10013-1 (Inv)Open Freight Wagon
121 Parts
Catalog: SetsTrain9VMy Own Train
2001Set No: 10013  Name: Open Freight Wagon
* 
 36 in 4186870-1 (Inv)Open Freight Wagon (White Box)
121 Parts
Catalog: SetsTrain9VMy Own Train
2002Set No: 4186870  Name: Open Freight Wagon (White Box)
* 
  Reddish Brown:
 36 in 60198-1 (Inv)Cargo Train
1202 Parts, 6 Minifigures
Catalog: SetsTrainRC Train
2018Set No: 60198  Name: Cargo Train
* 
 2 in 10194-1 (Inv)Emerald Night
1072 Parts, 3 Minifigures
Catalog: SetsTrainRC Train
2009Set No: 10194  Name: Emerald Night
* 
  Tan:
 5 in 7938-1 (Inv)Passenger Train
657 Parts, 3 Minifigures
Catalog: SetsTrainRC Train
2010Set No: 7938  Name: Passenger Train
* 
  Yellow:
 6 in 7939-1 (Inv)Cargo Train
822 Parts, 4 Minifigures
Catalog: SetsTrainRC Train
2010Set No: 7939  Name: Cargo Train
* 
 24 in 7817-1 (Inv)Crane Wagon
143 Parts, 1 Minifigure
Catalog: SetsTrain4.5V
1985Set No: 7817  Name: Crane Wagon
* 
 12 in 4554-1 (Inv)Metro Station
555 Parts, 8 Minifigures
Catalog: SetsTrain9V
1991Set No: 4554  Name: Metro Station
* 
 12 in 7722-1 (Inv)Steam Cargo Train, battery
466 Parts, 3 Minifigures, 1 Book
Catalog: SetsTrain4.5V
1985Set No: 7722  Name: Steam Cargo Train, battery
* 
 1 in 10027-1 (Inv)Train Engine Shed
656 Parts, 2 Minifigures
Catalog: SetsTrain9VWorld City
2003Set No: 10027  Name: Train Engine Shed
* 
  Lime:
 3 in 3677-1 (Inv)Red Cargo Train
815 Parts, 4 Minifigures
Catalog: SetsTrainRC Train
2011Set No: 3677  Name: Red Cargo Train
* 
  Green:
 3 in 3677-1 (Inv)Red Cargo Train
815 Parts, 4 Minifigures
Catalog: SetsTrainRC Train
2011Set No: 3677  Name: Red Cargo Train
* 
  Dark Turquoise:
 2 in 60336-1 (Inv)Freight Train
1129 Parts, 6 Minifigures
Catalog: SetsTrainRC Train
2022Set No: 60336  Name: Freight Train
* 
  Dark Blue:
 2 in 10194-1 (Inv)Emerald Night
1072 Parts, 3 Minifigures
Catalog: SetsTrainRC Train
2009Set No: 10194  Name: Emerald Night
* 
  Blue:
 12 in 7727-1 (Inv)Freight Steam Train
551 Parts, 2 Minifigures
Catalog: SetsTrain12V
1983Set No: 7727  Name: Freight Steam Train
* 
  Trans-Yellow:
 2 in 4554-1 (Inv)Metro Station
555 Parts, 8 Minifigures
Catalog: SetsTrain9V
1991Set No: 4554  Name: Metro Station
* 
 2 in 4558-1 (Inv)Metroliner
739 Parts, 11 Minifigures
Catalog: SetsTrain9V
1991Set No: 4558  Name: Metroliner
* 
 2 in 10001-1 (Inv)Metroliner
737 Parts, 11 Minifigures
Catalog: SetsTrain9VLegends
2001Set No: 10001  Name: Metroliner
* 
 2 in 2150-1 (Inv)Train Station
554 Parts, 8 Minifigures
Catalog: SetsTrain9V
1996Set No: 2150  Name: Train Station
* 
  Trans-Neon Green:
 3 in 3677-1 (Inv)Red Cargo Train
815 Parts, 4 Minifigures
Catalog: SetsTrainRC Train
2011Set No: 3677  Name: Red Cargo Train
* 
  Trans-Dark Blue:
 2 in 4553-1 (Inv)Train Wash
177 Parts, 2 Minifigures
Catalog: SetsTrain9V
1999Set No: 4553  Name: Train Wash
* 

Summary:

 Color  In   Total Qty 
Appears As Regular:
 White 7  30 
 Light Bluish Gray 1  1 
 Light Gray 7  19 
 Dark Bluish Gray 1  3 
 Black 23  44 
 Red 5  47 
 Brown 2  72 
 Reddish Brown 2  38 
 Tan 1  5 
 Yellow 5  55 
 Lime 1  3 
 Green 1  3 
 Dark Turquoise 1  2 
 Dark Blue 1  2 
 Blue 1  12 
 Trans-Yellow 4  8 
 Trans-Neon Green 1  3 
 Trans-Dark Blue 1  2 

Please consider uploading an image in the specific color if you have one and the one in the above listing is not available.