Black Brick, Round 2 x 2 with Axle Hole ![Part No: 3941 Name: Brick, Round 2 x 2 with Axle Hole Part No: 3941 Name: Brick, Round 2 x 2 with Axle Hole](https://img.bricklink.com/P/11/3941.jpg) * This Part appears in at least the following items:
[ List | List with Images | Thumbnail Gallery | Summary ]
![](/images/dot.gif) |
Qty |
Item No |
Description |
Year |
Image |
Appears As Regular: | | | 2 in | 9633-1 (Inv) | Advanced Air Power Set (Pneumatics II) 211 Parts, 3 Books, 3 Gear Catalog: Sets: Educational & Dacta: Technic | 1998 | ![Set No: 9633 Name: Advanced Air Power Set (Pneumatics II) Set No: 9633 Name: Advanced Air Power Set (Pneumatics II)](https://img.bricklink.com/S/9633-1.gif) * | | 4 in | 1053-1 (Inv) | Community Buildings (LEGO Basic School Set) 892 Parts, 19 Books Catalog: Sets: Educational & Dacta: Town | 1984 | ![Set No: 1053 Name: Community Buildings (LEGO Basic School Set) Set No: 1053 Name: Community Buildings (LEGO Basic School Set)](https://img.bricklink.com/S/1053-1.jpg) * | | 1 in | 45022-1 (Inv) | Community Minifigure Set 182 Parts, 21 Minifigures, 21 Gear Catalog: Sets: Educational & Dacta | 2016 | ![Set No: 45022 Name: Community Minifigure Set Set No: 45022 Name: Community Minifigure Set](https://img.bricklink.com/S/45022-1.jpg) * | | 2 in | 9594-1 (Inv) | Green City Challenge Set 1356 Parts, 1 Minifigure, 1 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: NXT | 2011 | ![Set No: 9594 Name: Green City Challenge Set Set No: 9594 Name: Green City Challenge Set](https://img.bricklink.com/S/9594-1.jpg) * | | 4 in | 9337-1 (Inv) | Harbor Set 868 Parts, 9 Minifigures, 5 Books, 2 Gear Catalog: Sets: Educational & Dacta: Town | 2011 | ![Set No: 9337 Name: Harbor Set Set No: 9337 Name: Harbor Set](https://img.bricklink.com/S/9337-1.jpg) * | | 1 in | 9707-1 (Inv) | Intelligent House Building Set (Control Lab) 155 Parts, 4 Gear Catalog: Sets: Educational & Dacta: Technic: Control Lab | 1996 | ![Set No: 9707 Name: Intelligent House Building Set (Control Lab) Set No: 9707 Name: Intelligent House Building Set (Control Lab)](https://img.bricklink.com/S/9707-1.gif) * | | 8 in | 9723-2 (Inv) | Mindstorms Cities and Transportation Set (2002 Version) 397 Parts, 4 Books, 3 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2002 | ![Set No: 9723 Name: Mindstorms Cities and Transportation Set (2002 Version) Set No: 9723 Name: Mindstorms Cities and Transportation Set (2002 Version)](https://img.bricklink.com/S/9723-2.jpg) * | | 4 in | 9648-1 (Inv) | Mindstorms Education Resource Set 672 Parts, 4 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: NXT | 2006 | ![Set No: 9648 Name: Mindstorms Education Resource Set Set No: 9648 Name: Mindstorms Education Resource Set](https://img.bricklink.com/S/9648-1.gif) * | | 4 in | 9695-1 (Inv) | Mindstorms Education Resource Set 817 Parts, 1 Book, 4 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: NXT | 2010 | ![Set No: 9695 Name: Mindstorms Education Resource Set Set No: 9695 Name: Mindstorms Education Resource Set](https://img.bricklink.com/S/9695-1.jpg) * | | 4 in | 9857-1 (Inv) | Red and Black Plates 166 Parts Catalog: Sets: Educational & Dacta: Service Packs | 1992 | ![Set No: 9857 Name: Red and Black Plates Set No: 9857 Name: Red and Black Plates](https://img.bricklink.com/S/9857-1.gif) * | | 1 in | 9314-1 (Inv) | Rescue Service Set 1490 Parts, 2 Gear Catalog: Sets: Educational & Dacta: Town | 2010 | ![Set No: 9314 Name: Rescue Service Set Set No: 9314 Name: Rescue Service Set](https://img.bricklink.com/S/9314-1.jpg) * | | 2 in | K1062-1 (Inv) | Road Safety Kit 2 Sets, 140 Parts, 1 Book, 1 Gear Catalog: Sets: Educational & Dacta: Town | 1981 | ![Set No: K1062 Name: Road Safety Kit Set No: K1062 Name: Road Safety Kit](https://img.bricklink.com/S/K1062-1.jpg) * | | 9 in | 979760-1 (Inv) | RoboChallenge: Exploration Mars Teacher Pack 807 Parts, 1 Book, 2 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2003 | ![Set No: 979760 Name: RoboChallenge: Exploration Mars Teacher Pack Set No: 979760 Name: RoboChallenge: Exploration Mars Teacher Pack](https://img.bricklink.com/S/979760-1.jpg) * | | 8 in | 9723-1 (Inv) | ROBOLAB Cities and Transportation Set 386 Parts, 4 Books, 4 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2000 | ![Set No: 9723 Name: ROBOLAB Cities and Transportation Set Set No: 9723 Name: ROBOLAB Cities and Transportation Set](https://img.bricklink.com/S/9723-1.gif) * | | 1 in | 9795-1 (Inv) | ROBOLAB Intelligent House Building Set 162 Parts, 3 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2001 | ![Set No: 9795 Name: ROBOLAB Intelligent House Building Set Set No: 9795 Name: ROBOLAB Intelligent House Building Set](https://img.bricklink.com/S/9795-1.gif) * | | 8 in | 9780-1 (Inv) | ROBOLAB Starter Building Set 1702 Parts, 4 Minifigures, 10 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 1998 | ![Set No: 9780 Name: ROBOLAB Starter Building Set Set No: 9780 Name: ROBOLAB Starter Building Set](https://img.bricklink.com/S/9780-1.gif) * | | 8 in | 9790-1 (Inv) | ROBOLAB Team Challenge Set (Serial) 725 Parts, 2 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 1999 | ![Set No: 9790 Name: ROBOLAB Team Challenge Set (Serial) Set No: 9790 Name: ROBOLAB Team Challenge Set (Serial)](https://img.bricklink.com/S/9790-1.gif) * | | 8 in | 9793-1 (Inv) | ROBOLAB Team Challenge Set (Serial) {2.5} 828 Parts, 2 Books, 2 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2002 | ![Set No: 9793 Name: ROBOLAB Team Challenge Set (Serial) {2.5} Set No: 9793 Name: ROBOLAB Team Challenge Set (Serial) {2.5}](https://img.bricklink.com/S/9793-1.gif) * | | 8 in | 9791-1 (Inv) | ROBOLAB Team Challenge Set (USB) 724 Parts, 2 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 1999 | ![Set No: 9791 Name: ROBOLAB Team Challenge Set (USB) Set No: 9791 Name: ROBOLAB Team Challenge Set (USB)](https://img.bricklink.com/S/9791-1.gif) * | | 8 in | 9794-1 (Inv) | ROBOLAB Team Challenge Set (USB) {2.5} 829 Parts, 2 Books, 2 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2002 | ![Set No: 9794 Name: ROBOLAB Team Challenge Set (USB) {2.5} Set No: 9794 Name: ROBOLAB Team Challenge Set (USB) {2.5}](https://img.bricklink.com/S/9794-1.gif) * | | 8 in | 9794-3 (Inv) | ROBOLAB Team Challenge Set USB (2004 Version) 829 Parts, 2 Books, 3 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2004 | ![Set No: 9794 Name: ROBOLAB Team Challenge Set USB (2004 Version) Set No: 9794 Name: ROBOLAB Team Challenge Set USB (2004 Version)](https://img.bricklink.com/S/9794-3.jpg) * | | 8 in | 9794-2 (Inv) | ROBOLAB Team Challenge Set USB (2005 Version) 829 Parts, 2 Books, 5 Gear Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX | 2005 | ![Set No: 9794 Name: ROBOLAB Team Challenge Set USB (2005 Version) Set No: 9794 Name: ROBOLAB Team Challenge Set USB (2005 Version)](https://img.bricklink.com/S/9794-2.jpg) * | | 8 in | 970671-1 (Inv) | Special Elements for Cities and Transportation Set 119 Parts Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets | 2002 | ![Set No: 970671 Name: Special Elements for Cities and Transportation Set Set No: 970671 Name: Special Elements for Cities and Transportation Set](https://img.bricklink.com/S/970671-1.gif) * | | 1 in | 9959-1 (Inv) | Special Elements for Intelligent House Building Set (Special Elements For 979707) 38 Parts Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets | 1998 | ![Set No: 9959 Name: Special Elements for Intelligent House Building Set (Special Elements For 979707) Set No: 9959 Name: Special Elements for Intelligent House Building Set (Special Elements For 979707)](https://img.bricklink.com/S/9959-1.jpg) * | | 1 in | 9955-1 (Inv) | Special Elements for Pneumatics II (Special Elements For 979633) 61 Parts Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets | 1998 | ![Set No: 9955 Name: Special Elements for Pneumatics II (Special Elements For 979633) Set No: 9955 Name: Special Elements for Pneumatics II (Special Elements For 979633)](https://img.bricklink.com/S/9955-1.jpg) * | | 6 in | 970670-1 (Inv) | Special Elements for Team Challenge Set 287 Parts Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets | 2002 | ![Set No: 970670 Name: Special Elements for Team Challenge Set Set No: 970670 Name: Special Elements for Team Challenge Set](https://img.bricklink.com/S/970670-1.gif) * | | 4 in | 9700-1 (Inv) | Technic Control Center (Technic Control 0 Set) 471 Parts, 4 Minifigures, 8 Books, 1 Gear Catalog: Sets: Educational & Dacta: Technic | 1987 | ![Set No: 9700 Name: Technic Control Center (Technic Control 0 Set) Set No: 9700 Name: Technic Control Center (Technic Control 0 Set)](https://img.bricklink.com/S/9700-1.jpg) * | | 4 in | 1092-1 (Inv) | Technic Control II 460 Parts, 5 Books, 1 Gear Catalog: Sets: Educational & Dacta: Technic | 1986 | ![Set No: 1092 Name: Technic Control II Set No: 1092 Name: Technic Control II](https://img.bricklink.com/S/1092-1.gif) * | | 3 in | 9322-1 (Inv) | Town Developers Set 1825 Parts, 12 Minifigures Catalog: Sets: Educational & Dacta: Town | 2007 | ![Set No: 9322 Name: Town Developers Set Set No: 9322 Name: Town Developers Set](https://img.bricklink.com/S/9322-1.gif) * | | 7 in | 9320-1 (Inv) | Voyage into Space (Journey Into Space Set) 643 Parts Catalog: Sets: Educational & Dacta: Space | 2003 | ![Set No: 9320 Name: Voyage into Space (Journey Into Space Set) Set No: 9320 Name: Voyage into Space (Journey Into Space Set)](https://img.bricklink.com/S/9320-1.gif) * | Appears As Counterpart: | | | 2 in | 1053-1 (Inv) | Community Buildings (LEGO Basic School Set) 892 Parts, 19 Books Catalog: Sets: Educational & Dacta: Town | 1984 | ![Set No: 1053 Name: Community Buildings (LEGO Basic School Set) Set No: 1053 Name: Community Buildings (LEGO Basic School Set)](https://img.bricklink.com/S/1053-1.jpg) * | Summary: ![](/images/dot.gif) | Color | In | Total Qty | Appears As Regular: | | Black | 30 | 145 | Appears As Counterpart: | | Black | 1 | 2 |
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