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LEGO® Toy Store | Auctions - Best Deals at the Lowest Price
Robotics Invention System
9719
- LEGO® Mindstorms -
Robotics Invention System is a LEGO® Mindstorms Set released in 1998.
Set Information:
Set Information:
- Pieces: 733
- Minifigs: 0
You will find below the best auctions and items available on eBay for this title. We already worked on the search keywords so you will get the best results right away. Check out the FAQ for more information on what our tool has to offer.
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$35.00
(0 Bid)
(0 Bid)
Time left: Auction Ended!
Item location: United States
Condition: Used (3000)
Available since: 2026-03-04 18:04 PST
Seller: mtr5448 (5904) [100.0%]
1.
$19.04
(0 Bid)
(0 Bid)
Time left: 28 mins 38 secs
Item location: United States
Condition: Used (3000)
Available since: 2026-02-07 15:46 PST
Seller: abcbui-50 (43) [100.0%]
2.
Item location: United States
Condition: Used (3000)
Available since: 2024-02-18 10:09 PST
Seller: jaspergolden (908) [100.0%]
3.
Item location: United States
Condition: Used (3000)
Available since: 2025-05-18 12:27 PDT
Seller: goodwinsports (5905) [100.0%]
4.
Item location: United States
Condition: Used (3000)
Available since: 2024-07-18 14:01 PDT
Seller: bsktsunny (895) [98.9%]
5.
Item location: United States
Condition: Used (3000)
Available since: 2025-07-01 22:45 PDT
Seller: rlabagto (1125) [98.9%]
6.
Item location: United States
Condition: Used (3000)
Available since: 2025-04-19 14:31 PDT
Seller: alldirectionscollections (1595) [99.4%]
7.
$71.10
Item location: United States
Condition: Used (3000)
Available since: 2025-06-19 19:18 PDT
Seller: adicksonb (11778) [99.9%]
8.
Item location: United States
Condition: Used (3000)
Available since: 2024-08-20 16:52 PDT
Seller: jama_26448 (48) [100.0%]
9.
Item location: United States
Condition: Used (3000)
Available since: 2025-12-20 17:27 PST
Seller: brewcrewcory (1124) [100.0%]
10.
$7.49
Item location: United States
Condition: Like New (2750)
Available since: 2019-03-20 23:20 PDT
Seller: khw72004 (23266) [99.6%]
11.
$119.20
Item location: United States
Condition: New (1000)
Available since: 2023-01-15 23:50 PST
Seller: your-childhood (1071) [100.0%]
12.
Item location: United States
Condition: New (1000)
Available since: 2026-03-21 13:00 PDT
Seller: titanc_59 (5) [100.0%]
13.
Item location: United States
Condition: Used (3000)
Available since: 2023-04-21 13:02 PDT
Seller: vandy91 (4061) [100.0%]
14.
Item location: United States
Condition: Used (3000)
Available since: 2023-09-21 18:49 PDT
Seller: jsbuf73 (106) [100.0%]
15.
Item location: United States
Condition: Used (3000)
Available since: 2025-09-21 19:54 PDT
Seller: connectifix-technovabazaar (207) [97.4%]
16.
Item location: United States
Condition: Used (3000)
Available since: 2025-12-22 12:35 PST
Seller: garage_sailing (339) [100.0%]
17.
$27.50
Item location: United States
Condition: Used (3000)
Available since: 2025-12-22 16:18 PST
Seller: pregnantchad (1665) [99.3%]
18.
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/thumbs/images/g/USUAAeSwKppogCiz/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/dD8AAeSwBcxogCfa/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/ZoQAAeSwvBpogCjC/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/X~UAAeSwo2VogCjg/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/dX8AAeSwlJ1ogCfW/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/YooAAeSwMMBogCfZ/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/d8AAAeSwKxdogCj~/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/d10AAeSwVHBogCfW/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/gbsAAeSw7mVogCfY/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/jSoAAeSwD95ogCfY/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/jMwAAeSwYcFogCfY/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/k1AAAeSwcTFogCk0/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/eIYAAeSwMLFogCkJ/s-l280.jpg)
![1998 Vintage LEGO Mindstorms 9719 Robotics Invention System [Read Description]](http://i.ebayimg.com/images/g/j-IAAeSw22BogCkU/s-l280.jpg)
Item location: United States
Condition: Used (3000)
Available since: 2025-07-22 17:13 PDT
Seller: michael_d_edwards (101) [100.0%]
19.
Item location: United States
Condition: Used (3000)
Available since: 2025-05-23 02:13 PDT
Seller: oldtoyguy (1209) [100.0%]
20.
Item location: United States
Condition: Good (5000)
Available since: 2023-08-05 05:57 PDT
Seller: matthelyon-28 (195) [100.0%]
21.
Item location: United States
Condition: Used (3000)
Available since: 2026-03-23 09:21 PDT
Seller: antihero555 (443) [99.4%]
22.
$10.99
Item location: United States
Condition: Used (3000)
Available since: 2025-09-23 15:40 PDT
Seller: gibal_39 (7253) [99.6%]
23.
$54.95
Item location: United States
Condition: Used (3000)
Available since: 2024-03-24 17:20 PDT
Seller: hawkescards (2735) [100.0%]
24.
Item location: United States
Condition: New: Other (See Details) (1500)
Available since: 2025-09-15 09:36 PDT
Seller: sj.art.society (90) [97.8%]
25.
$8.00
Item location: United States
Condition: Very Good (4000)
Available since: 2026-04-25 17:27 PDT
Seller: roger_roger_bricks (1759) [100.0%]
26.
$99.95
Item location: United States
Condition: Used (3000)
Available since: 2026-01-26 16:03 PST
Seller: the-completist (17533) [99.9%]
27.
$50.00
Item location: United States
Condition: Used (3000)
Available since: 2023-12-26 16:21 PST
Seller: hchs.inc.est2023 (6) [0.0%]
28.
$14.99
Item location: United States
Condition: New (1000)
Available since: 2026-02-27 04:44 PST
Seller: nashdealz (9517) [99.8%]
29.
Item location: United States
Condition: Used (3000)
Available since: 2025-12-27 10:45 PST
Seller: sposner (1285) [98.9%]
30.
Item location: United States
Condition: Used (3000)
Available since: 2023-10-27 16:29 PDT
Seller: weaselsworld22 (1949) [100.0%]
31.
Item location: United States
Condition: Used (3000)
Available since: 2025-12-27 19:06 PST
Seller: mentatk (153) [100.0%]
32.
$13.95
Item location: United States
Condition: Used (3000)
Available since: 2025-05-29 03:49 PDT
Seller: mackthelegomaniac (634) [100.0%]
33.
$12.95
Item location: United States
Condition: Used (3000)
Available since: 2025-05-29 04:05 PDT
Seller: mackthelegomaniac (634) [100.0%]
34.
$14.95
Item location: United States
Condition: Used (3000)
Available since: 2025-05-29 04:12 PDT
Seller: mackthelegomaniac (634) [100.0%]
35.
$10.95
Item location: United States
Condition: Used (3000)
Available since: 2025-05-29 04:20 PDT
Seller: mackthelegomaniac (634) [100.0%]
36.
$140.00
Item location: United States
Condition: Used (3000)
Available since: 2025-10-29 05:50 PDT
Seller: lokinb (4563) [99.7%]
37.
$50.00
Item location: United States
Condition: Used (3000)
Available since: 2025-07-29 06:30 PDT
Seller: ginagomez07 (91) [100.0%]
38.
Item location: United States
Condition: New (1000)
Available since: 2026-04-29 08:27 PDT
Seller: jaxpeakllc (7504) [99.9%]
39.
$98.00
Item location: United States
Condition: Used (3000)
Available since: 2023-09-29 08:34 PDT
Seller: abcedukate (111) [100.0%]
40.
Item location: United States
Condition: Used (3000)
Available since: 2025-10-29 09:06 PDT
Seller: dandaniekell (2529) [99.9%]
41.
Item location: United States
Condition: Used (3000)
Available since: 2023-12-05 18:49 PST
Seller: ther_vale (2987) [99.2%]
42.
$44.95
Item location: United States
Condition: Used (3000)
Available since: 2026-03-08 19:05 PDT
Seller: mrbinsvintage (489) [100.0%]
43.
Item location: United States
Condition: Used (3000)
Available since: 2025-08-30 08:34 PDT
Seller: ballinglenore (121) [100.0%]
44.
Item location: United States
Condition: Used (3000)
Available since: 2026-01-30 14:42 PST
Seller: michelefea (242) [98.8%]
45.
Item location: Canada
Condition: Used (3000)
Available since: 2025-03-31 21:32 PDT
Seller: jag22089 (191) [98.5%]
46.
Item location: Canada
Condition: Like New (2750)
Available since: 2026-04-01 05:17 PDT
Seller: nutsonormal (7417) [100.0%]
47.
$279.95
Item location: United States
Condition: Used (3000)
Available since: 2018-11-01 06:31 PDT
Seller: mics_bricks (31880) [99.8%]
48.
Item location: United States
Condition: Used (3000)
Available since: 2023-12-01 14:03 PST
Seller: *kwest* (3080) [100.0%]
49.
$11.45
Item location: United States
Condition: Used (3000)
Available since: 2025-09-01 15:04 PDT
Seller: mackthelegomaniac (634) [100.0%]
50.
$13.95
Item location: United States
Condition: Used (3000)
Available since: 2025-09-01 15:07 PDT
Seller: mackthelegomaniac (634) [100.0%]
51.
Item location: United States
Condition: Used (3000)
Available since: 2026-04-01 20:22 PDT
Seller: primefindsparadise (222) [100.0%]
52.
$8.00
Item location: United States
Condition: Used (3000)
Available since: 2025-09-02 10:46 PDT
Seller: lost_things_toy_store (138) [100.0%]
53.
$29.95
Item location: United States
Condition: Used (3000)
Available since: 2025-04-03 00:36 PDT
Seller: mackthelegomaniac (634) [100.0%]
54.
$12.95
Item location: United States
Condition: Used (3000)
Available since: 2025-04-03 00:55 PDT
Seller: mackthelegomaniac (634) [100.0%]
55.
Item location: United States
Condition: New: Other (See Details) (1500)
Available since: 2024-11-03 14:33 PST
Seller: bpetersonboy (149) [100.0%]
56.
Item location: United States
Condition: Used (3000)
Available since: 2026-01-03 20:00 PST
Seller: mbs_824 (9) [100.0%]
57.
$59.99
Item location: United States
Condition: Used (3000)
Available since: 2025-10-03 20:50 PDT
Seller: thesneakcity (1869) [98.8%]
58.
$10.00
Item location: United States
Condition: Used (3000)
Available since: 2022-11-04 03:48 PDT
Seller: harshadi (12796) [100.0%]
59.
$15.00
Item location: United States
Condition: Used (3000)
Available since: 2023-12-04 16:24 PST
Seller: mrbuddy425 (933) [100.0%]
60.
Item location: United States
Condition: Used (3000)
Available since: 2026-05-04 19:26 PDT
Seller: 208re-cell (40815) [99.5%]
61.
Item location: United States
Condition: Used (3000)
Available since: 2026-04-04 20:10 PDT
Seller: jeremyartrocks1 (83) [100.0%]
62.
Item location: United States
Condition: Used (3000)
Available since: 2026-05-04 21:35 PDT
Seller: collectorstreasury (73) [100.0%]
63.
Item location: United States
Condition: New (1000)
Available since: 2021-01-05 06:57 PST
Seller: daddybeanie (289) [100.0%]
64.
Item location: United States
Condition: Used (3000)
Available since: 2022-07-05 09:48 PDT
Seller: shaoster-11 (8) [0.0%]
65.
Item location: United States
Condition: Used (3000)
Available since: 2021-05-05 14:13 PDT
Seller: boulderauctions (6429) [99.8%]
66.
Item location: United States
Condition: Used (3000)
Available since: 2022-02-05 16:13 PST
Seller: theretroretail (9009) [99.9%]
67.
Item location: Canada
Condition: Good (5000)
Available since: 2026-05-06 05:00 PDT
Seller: pollypat2 (1745) [100.0%]
68.
Item location: Canada
Condition: Good (5000)
Available since: 2026-05-06 07:00 PDT
Seller: pollypat2 (1745) [100.0%]
69.
$69.99
Item location: United States
Condition: Used (3000)
Available since: 2020-09-06 10:10 PDT
Seller: homer400 (14017) [100.0%]
70.
Item location: United States
Condition: Used (3000)
Available since: 2022-08-06 17:50 PDT
Seller: allmorro (214) [100.0%]
71.
Item location: United States
Condition: Used (3000)
Available since: 2025-08-06 18:42 PDT
Seller: mikhecraft (740) [99.6%]
72.
Item location: United States
Condition: Used (3000)
Available since: 2022-08-07 08:46 PDT
Seller: mb_treasures (8768) [99.7%]
73.
Item location: United States
Condition: Used (3000)
Available since: 2026-03-07 09:54 PST
Seller: ghostfizz2011 (1643) [99.4%]
74.
$29.99
Item location: United States
Condition: Used (3000)
Available since: 2025-07-07 11:40 PDT
Seller: kingedge1331 (22083) [100.0%]
75.
Item location: United States
Condition: Used (3000)
Available since: 2025-12-07 23:07 PST
Seller: stringz_attached (471) [100.0%]
76.
$19.99
Item location: United States
Condition: Used (3000)
Available since: 2022-04-09 16:23 PDT
Seller: bluebeetlemedia (695) [100.0%]
77.
Item location: United States
Condition: Very Good (4000)
Available since: 2023-01-10 10:52 PST
Seller: 0mnipotent13 (477) [100.0%]
78.
Item location: United States
Condition: Used (3000)
Available since: 2025-11-10 18:03 PST
Seller: walpert (13) [100.0%]
79.
Item location: United States
Condition: Used (3000)
Available since: 2025-07-11 09:10 PDT
Seller: thewoodsarewild (172) [100.0%]
80.
Item location: United States
Condition: Used (3000)
Available since: 2024-09-11 12:36 PDT
Seller: uwrugby (341) [100.0%]
81.
Item location: United States
Condition: Used (3000)
Available since: 2024-03-14 20:46 PDT
Seller: stratohakster (4879) [100.0%]
82.
Item location: United States
Condition: Used (3000)
Available since: 2022-12-12 12:23 PST
Seller: wolverine-97 (725) [100.0%]
83.
$21.99
Item location: United States
Condition: Used (3000)
Available since: 2022-03-12 17:13 PST
Seller: theeighttenhouse (2277) [99.4%]
84.
Item location: United States
Condition: Used (3000)
Available since: 2025-11-13 07:10 PST
Seller: declutterion (1220) [100.0%]
85.
Item location: United States
Condition: Used (3000)
Available since: 2026-05-13 08:32 PDT
Seller: buy-my-stuff-69 (1569) [99.4%]
86.
Item location: United States
Condition: Used (3000)
Available since: 2026-03-14 09:46 PDT
Seller: carolinanow123 (38) [100.0%]
87.
Item location: United States
Condition: Used (3000)
Available since: 2025-11-07 15:01 PST
Seller: logcabincollectibles (6575) [100.0%]
88.
Item location: United States
Condition: Used (3000)
Available since: 2026-05-15 09:51 PDT
Seller: liberty529 (3771) [99.6%]
89.
$17.00
Item location: United States
Condition: Used (3000)
Available since: 2026-03-16 08:00 PDT
Seller: jaxpeakllc (7504) [99.9%]
90.
Item location: United States
Condition: Used (3000)
Available since: 2026-05-17 09:51 PDT
Seller: jfamilyjems1 (3896) [99.7%]
91.
$252.87
Item location: Japan
Condition: New (1000)
Available since: 2026-03-17 21:14 PDT
Seller: jp2015-suto (183) [95.1%]
92.
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