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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.
FAQ and Tips - FAQ et AstucesShow only new listings from the last 24 hours (items marked with )
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$60.00
(0 Bid)
(0 Bid)
Time left: Auction Ended!
Item location: US
Condition: New (1000)
Available since: 2025-08-21 19:38 PDT
Seller: shomyk (103) [100.0%]
1.
$15.66
(0 Bid)
(0 Bid)
Time left: Auction Ended!
Item location: US
Condition: Used (3000)
Available since: 2025-09-14 15:05 PDT
Seller: theeclecticscout (92) [100.0%]
2.
$279.95
Item location: US
Condition: Used (3000)
Available since: 2018-11-01 06:31 PDT
Seller: mics_bricks (30189) [99.7%]
3.
$65.00
Item location: US
Condition: Used (3000)
Available since: 2025-01-01 14:01 PST
Seller: kerilock86 (2718) [98.9%]
4.
Item location: US
Condition: Used (3000)
Available since: 2023-12-01 14:03 PST
Seller: *kwest* (2973) [100.0%]
5.
$10.30
Item location: US
Condition: Used (3000)
Available since: 2025-09-01 15:04 PDT
Seller: mackthelegomaniac (436) [100.0%]
6.
$12.55
Item location: US
Condition: Used (3000)
Available since: 2025-09-01 15:07 PDT
Seller: mackthelegomaniac (436) [100.0%]
7.
$48.99
Item location: US
Condition: Used (3000)
Available since: 2025-04-01 18:14 PDT
Seller: yuuuup11 (72013) [98.7%]
8.
$8.00
Item location: US
Condition: Used (3000)
Available since: 2025-09-02 10:46 PDT
Seller: lost_things_toy_store (122) [100.0%]
9.
Item location: US
Condition: Used (3000)
Available since: 2022-05-02 11:44 PDT
Seller: jens_buys (41618) [95.9%]
10.
Item location: US
Condition: Used (3000)
Available since: 2025-09-02 20:50 PDT
Seller: 208re-cell (38007) [98.7%]
11.
$26.95
Item location: US
Condition: Used (3000)
Available since: 2025-04-03 00:36 PDT
Seller: mackthelegomaniac (436) [100.0%]
12.
$11.66
Item location: US
Condition: Used (3000)
Available since: 2025-04-03 00:55 PDT
Seller: mackthelegomaniac (436) [100.0%]
13.
Item location: US
Condition: Like New (2750)
Available since: 2025-07-03 08:56 PDT
Seller: kevikalla_9 (228) [100.0%]
14.
Item location: US
Condition: New: Other (See Details) (1500)
Available since: 2024-11-03 14:33 PST
Seller: bpetersonboy (134) [100.0%]
15.
$10.00
Item location: US
Condition: Used (3000)
Available since: 2022-11-04 03:48 PDT
Seller: harshadi (12005) [100.0%]
16.
$15.00
Item location: US
Condition: Used (3000)
Available since: 2023-12-04 16:24 PST
Seller: mrbuddy425 (915) [100.0%]
17.
Item location: US
Condition: Used (3000)
Available since: 2025-09-04 22:44 PDT
Seller: sosouthjersey (145) [100.0%]
18.
Item location: US
Condition: New (1000)
Available since: 2021-01-05 06:57 PST
Seller: daddybeanie (252) [100.0%]
19.
Item location: US
Condition: Used (3000)
Available since: 2022-07-05 09:48 PDT
Seller: shaoster-11 (8) [0.0%]
20.
Item location: US
Condition: Used (3000)
Available since: 2021-05-05 14:13 PDT
Seller: boulderauctions (5674) [99.8%]
21.
Item location: US
Condition: Used (3000)
Available since: 2022-02-05 16:13 PST
Seller: theretroretail (7088) [99.8%]
22.
$79.99
Item location: US
Condition: Used (3000)
Available since: 2020-09-06 10:10 PDT
Seller: homer400 (13377) [100.0%]
23.
Item location: US
Condition: Used (3000)
Available since: 2022-08-06 17:50 PDT
Seller: allmorro (211) [100.0%]
24.
Item location: US
Condition: Used (3000)
Available since: 2025-08-06 18:42 PDT
Seller: mikhecraft (457) [98.9%]
25.
Item location: US
Condition: New (1000)
Available since: 2025-06-06 22:22 PDT
Seller: klkco-96 (24) [96.0%]
26.
Item location: US
Condition: Used (3000)
Available since: 2022-08-07 08:46 PDT
Seller: mb_treasures (8498) [98.9%]
27.
Item location: US
Condition: Used (3000)
Available since: 2025-09-08 12:00 PDT
Seller: liberty529 (2969) [99.6%]
28.
Item location: US
Condition: New (1000)
Available since: 2025-09-08 13:43 PDT
Seller: jaxpeakllc (5956) [99.8%]
29.
$19.99
Item location: US
Condition: Used (3000)
Available since: 2019-04-08 13:50 PDT
Seller: ldwhnfk (11887) [100.0%]
30.
$8.99
Item location: US
Condition: Used (3000)
Available since: 2019-04-08 13:50 PDT
Seller: ldwhnfk (11887) [100.0%]
31.
$34.95
Item location: US
Condition: Used (3000)
Available since: 2023-12-09 09:14 PST
Seller: rtahb (414) [100.0%]
32.
Item location: US
Condition: Used (3000)
Available since: 2025-08-09 14:23 PDT
Seller: jaxpeakllc (5956) [99.8%]
33.
$19.99
Item location: US
Condition: Used (3000)
Available since: 2022-04-09 16:23 PDT
Seller: bluebeetlemedia (593) [100.0%]
34.
$49.99
Item location: US
Condition: Used (3000)
Available since: 2025-09-10 09:36 PDT
Seller: main.street.and.more (43967) [99.5%]
35.
Item location: US
Condition: Very Good (4000)
Available since: 2023-01-10 10:52 PST
Seller: 0mnipotent13 (468) [100.0%]
36.
Item location: US
Condition: Used (3000)
Available since: 2025-06-08 18:39 PDT
Seller: snowcityartisans (335) [100.0%]
37.
$70.00
Item location: US
Condition: Used (3000)
Available since: 2025-06-10 15:38 PDT
Seller: mdog10 (311) [98.5%]
38.
Item location: US
Condition: Used (3000)
Available since: 2025-07-11 09:10 PDT
Seller: thewoodsarewild (150) [100.0%]
39.
Item location: US
Condition: Used (3000)
Available since: 2024-09-11 12:36 PDT
Seller: uwrugby (336) [100.0%]
40.
Item location: US
Condition: Used (3000)
Available since: 2024-03-14 20:46 PDT
Seller: stratohakster (4779) [100.0%]
41.
Item location: US
Condition: Used (3000)
Available since: 2023-12-05 18:49 PST
Seller: ther_vale (2294) [98.0%]
42.
Item location: US
Condition: Used (3000)
Available since: 2022-12-12 12:23 PST
Seller: wolverine-97 (720) [100.0%]
43.
$83.99
Item location: US
Condition: Used (3000)
Available since: 2024-11-12 14:10 PST
Seller: katapat-0 (1632) [98.8%]
44.
$21.99
Item location: US
Condition: Used (3000)
Available since: 2022-03-12 17:13 PST
Seller: theeighttenhouse (1898) [98.8%]
45.
Item location: US
Condition: Used (3000)
Available since: 2023-04-26 10:58 PDT
Seller: radically_awesome (4403) [100.0%]
46.
$99.00
Item location: US
Condition: New: Other (See Details) (1500)
Available since: 2025-01-13 07:13 PST
Seller: discreetdownsizing (1162) [100.0%]
47.
$124.00
Item location: US
Condition: Used (3000)
Available since: 2025-06-13 17:10 PDT
Seller: vincigub (3601) [99.1%]
48.
$79.98
Item location: US
Condition: Used (3000)
Available since: 2022-11-14 12:28 PST
Seller: onlinebob (30042) [100.0%]
49.
Item location: US
Condition: New: Other (See Details) (1500)
Available since: 2025-09-15 09:36 PDT
Seller: sj.art.society (55) [100.0%]
50.
Item location: US
Condition: Used (3000)
Available since: 2025-01-15 11:23 PST
Seller: 13impala (26) [100.0%]
51.
Item location: US
Condition: Used (3000)
Available since: 2025-04-15 16:36 PDT
Seller: edlee1519 (407) [100.0%]
52.
$79.95
Item location: US
Condition: New (1000)
Available since: 2025-07-08 17:41 PDT
Seller: collectibles1960 (9488) [100.0%]
53.
Item location: US
Condition: New (1000)
Available since: 2025-04-16 15:38 PDT
Seller: kevinlochestate (186) [100.0%]
54.
Item location: US
Condition: Used (3000)
Available since: 2024-02-17 08:01 PST
Seller: jaspergolden (675) [100.0%]
55.
$89.99
Item location: US
Condition: Used (3000)
Available since: 2024-02-17 13:30 PST
Seller: thrifty-bricks (1793) [99.8%]
56.
$41.99
Item location: US
Condition: Used (3000)
Available since: 2024-04-17 18:14 PDT
Seller: midwestbests (1336) [99.1%]
57.
Item location: US
Condition: New (1000)
Available since: 2023-10-28 07:56 PDT
Seller: solpoints (85) [100.0%]
58.
Item location: US
Condition: Used (3000)
Available since: 2022-12-18 09:14 PST
Seller: cleaningoutthehouse2day (12090) [99.8%]
59.
Item location: US
Condition: Used (3000)
Available since: 2024-02-18 10:09 PST
Seller: jaspergolden (675) [100.0%]
60.
Item location: US
Condition: Used (3000)
Available since: 2025-05-18 12:27 PDT
Seller: goodwinsports (4847) [100.0%]
61.
Item location: US
Condition: Used (3000)
Available since: 2024-07-18 14:01 PDT
Seller: bsktsunny (762) [99.2%]
62.
$14.99
Item location: US
Condition: New (1000)
Available since: 2025-08-19 04:26 PDT
Seller: nashdealz (7193) [99.6%]
63.
Item location: US
Condition: Used (3000)
Available since: 2025-09-19 09:58 PDT
Seller: jfamilyjems1 (3361) [100.0%]
64.
Item location: US
Condition: Used (3000)
Available since: 2025-04-19 14:31 PDT
Seller: alldirectionscollections (1364) [99.1%]
65.
Item location: US
Condition: Used (3000)
Available since: 2025-09-19 14:57 PDT
Seller: snowcityartisans (335) [100.0%]
66.
$199.99
Item location: US
Condition: New: Other (See Details) (1500)
Available since: 2025-02-22 10:57 PST
Seller: eiodesign (197) [100.0%]
67.
$79.00
Item location: US
Condition: Used (3000)
Available since: 2025-06-19 19:18 PDT
Seller: adicksonb (10348) [99.7%]
68.
$19.99
Item location: US
Condition: Used (3000)
Available since: 2022-10-20 07:32 PDT
Seller: ihoyos (23923) [99.4%]
69.
Item location: US
Condition: Used (3000)
Available since: 2022-08-20 10:12 PDT
Seller: endless-mountains-sales (415) [100.0%]
70.
Item location: US
Condition: Used (3000)
Available since: 2025-09-20 14:55 PDT
Seller: trojameso-1 (116) [98.5%]
71.
Item location: US
Condition: Used (3000)
Available since: 2024-08-20 16:52 PDT
Seller: jama_26448 (33) [100.0%]
72.
$4.99
Item location: US
Condition: Like New (2750)
Available since: 2019-03-20 23:20 PDT
Seller: khw72004 (21905) [99.3%]
73.
$135.00
Item location: US
Condition: Used (3000)
Available since: 2024-01-21 09:36 PST
Seller: human(bean) (1112) [98.7%]
74.
Item location: US
Condition: Used (3000)
Available since: 2023-04-21 13:02 PDT
Seller: vandy91 (3939) [100.0%]
75.
$119.20
Item location: US
Condition: New (1000)
Available since: 2023-01-15 23:50 PST
Seller: your-childhood (878) [100.0%]
76.
$8.99
Item location: US
Condition: Used (3000)
Available since: 2025-04-21 17:31 PDT
Seller: technoblushark (50) [100.0%]
77.
Item location: US
Condition: Used (3000)
Available since: 2023-09-21 18:49 PDT
Seller: jsbuf73 (102) [100.0%]
78.
Item location: US
Condition: Used (3000)
Available since: 2025-09-21 19:54 PDT
Seller: connectifix-technovabazaar (143) [98.9%]
79.
Item location: US
Condition: Used (3000)
Available since: 2025-08-21 20:28 PDT
Seller: lkc1232 (847) [98.5%]
80.
Item location: US
Condition: Used (3000)
Available since: 2025-03-22 13:08 PDT
Seller: ariemcculloug_0 (685) [99.3%]
81.
![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)
$50.00
Item location: US
Condition: Used (3000)
Available since: 2025-07-22 17:13 PDT
Seller: michael_d_edwards (92) [100.0%]
82.
Item location: US
Condition: Used (3000)
Available since: 2025-08-22 20:42 PDT
Seller: zebra1213 (105) [100.0%]
83.
Item location: US
Condition: Used (3000)
Available since: 2025-05-23 02:13 PDT
Seller: oldtoyguy (1121) [100.0%]
84.
Item location: US
Condition: Good (5000)
Available since: 2023-08-05 05:57 PDT
Seller: matthelyon-28 (169) [100.0%]
85.
$39.99
Item location: US
Condition: Used (3000)
Available since: 2025-07-07 11:40 PDT
Seller: kingedge1331 (20454) [99.7%]
86.
$10.99
Item location: US
Condition: Used (3000)
Available since: 2025-09-23 15:40 PDT
Seller: gibal_39 (4881) [99.0%]
87.
$13.99
Item location: US
Condition: Used (3000)
Available since: 2025-05-24 10:45 PDT
Seller: musjos4 (2898) [100.0%]
88.
Item location: US
Condition: New: Other (See Details) (1500)
Available since: 2025-07-20 15:22 PDT
Seller: pamlynn3 (1521) [100.0%]
89.
$43.96
Item location: US
Condition: Used (3000)
Available since: 2024-03-24 17:20 PDT
Seller: hawkescards (2371) [100.0%]
90.
$25.00
Item location: US
Condition: Used (3000)
Available since: 2025-08-24 17:22 PDT
Seller: williamachamberlain (1108) [100.0%]
91.
Item location: US
Condition: Used (3000)
Available since: 2025-09-24 18:34 PDT
Seller: tebri2670 (1907) [99.5%]
92.
Item location: US
Condition: Like New (2750)
Available since: 2025-07-25 18:21 PDT
Seller: nutsonormal (7307) [100.0%]
93.
Item location: US
Condition: Used (3000)
Available since: 2025-06-26 04:38 PDT
Seller: sclud-3322 (632) [99.2%]
94.
$50.00
Item location: US
Condition: Used (3000)
Available since: 2023-12-26 16:21 PST
Seller: hchs.inc.est2023 (6) [0.0%]
95.
Item location: US
Condition: Used (3000)
Available since: 2023-10-27 16:29 PDT
Seller: weaselsworld22 (1894) [100.0%]
96.
$65.00
Item location: US
Condition: Used (3000)
Available since: 2025-08-28 10:05 PDT
Seller: nivilous2 (473) [100.0%]
97.
$29.99
Item location: US
Condition: Used (3000)
Available since: 2024-10-28 12:12 PDT
Seller: thrift_universe (2264) [99.6%]
98.
$16.16
Item location: US
Condition: Used (3000)
Available since: 2025-05-29 03:40 PDT
Seller: mackthelegomaniac (436) [100.0%]
99.
$12.55
Item location: US
Condition: Used (3000)
Available since: 2025-05-29 03:49 PDT
Seller: mackthelegomaniac (436) [100.0%]
100.
$11.66
Item location: US
Condition: Used (3000)
Available since: 2025-05-29 04:05 PDT
Seller: mackthelegomaniac (436) [100.0%]
101.
$11.66
Item location: US
Condition: Used (3000)
Available since: 2025-05-29 04:07 PDT
Seller: mackthelegomaniac (436) [100.0%]
102.
$13.45
Item location: US
Condition: Used (3000)
Available since: 2025-05-29 04:12 PDT
Seller: mackthelegomaniac (436) [100.0%]
103.
$9.86
Item location: US
Condition: Used (3000)
Available since: 2025-05-29 04:20 PDT
Seller: mackthelegomaniac (436) [100.0%]
104.
$50.00
Item location: US
Condition: Used (3000)
Available since: 2025-07-29 06:30 PDT
Seller: ginagomez07 (70) [100.0%]
105.
$98.00
Item location: US
Condition: Used (3000)
Available since: 2023-09-29 08:34 PDT
Seller: abcedukate (71) [100.0%]
106.
Item location: US
Condition: Used (3000)
Available since: 2025-03-29 18:51 PDT
Seller: mluster64 (2372) [99.8%]
107.
Item location: US
Condition: Used (3000)
Available since: 2025-08-30 08:34 PDT
Seller: ballinglenore (108) [100.0%]
108.
Item location: US
Condition: Used (3000)
Available since: 2025-05-31 21:04 PDT
Seller: jospie_471 (97) [100.0%]
109.
Item location: CA
Condition: Used (3000)
Available since: 2025-03-31 21:32 PDT
Seller: jusgal-2575 (94) [100.0%]
110.
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