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<h1>Robotics Invention System Upgrade Kit</h1><div class='tags floatleft'><a href='/sets/3803-1/Robotics-Invention-System-Upgrade-Kit'>3803-1</a> <a href='/sets/theme-Mindstorms'>Mindstorms</a> <a class='subtheme' href='/sets/subtheme-1-0'>1.0</a> <a class='year' href='/sets/theme-Mindstorms/year-1999'>1999</a> </div><div class='floatright'>©1999 LEGO Group</div>

Robotics Invention System Upgrade Kit

3803-1 Mindstorms 1.0 1999
©1999 LEGO Group
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3803: Robotics Invention System Upgrade Kit

3803-1 Mindstorms 1.0 1999
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Pieces
70
RRP
$25.00
RRP (inflated)
$49
PPP
35.7c
Packaging
Box
Value new
~$50.00
Notes
Upgrades version 1.0 to version 1.5. Contains V1.5 CD-Rom, User Guide, Constructopedia and Test Pad plus 65 extra LEGO elements.
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89 own this set, 113 want it
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<h1>RCX Programmable LEGO Brick</h1><div class='tags floatleft'><a href='/sets/9709-1/RCX-Programmable-LEGO-Brick'>9709-1</a> <a href='/sets/theme-Mindstorms'>Mindstorms</a> <a class='subtheme' href='/sets/subtheme-1-0'>1.0</a> <a class='year' href='/sets/theme-Mindstorms/year-1999'>1999</a> </div><div class='floatright'>©1999 LEGO Group</div>

RCX Programmable LEGO Brick

9709-1 Mindstorms 1.0 1999
©1999 LEGO Group
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9709: RCX Programmable LEGO Brick

9709-1 Mindstorms 1.0 1999
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1 review
Pieces
1
RRP
$110.00
RRP (inflated)
$216
PPP
11000.0c
Packaging
Box
Additional images
1
Value new
~$31.78
Value used
~$10.88
Our community
342 own this set, 140 want it
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<h1>Robotics Discovery Set</h1><div class='tags floatleft'><a href='/sets/9735-1/Robotics-Discovery-Set'>9735-1</a> <a href='/sets/theme-Mindstorms'>Mindstorms</a> <a class='subtheme' href='/sets/subtheme-1-0'>1.0</a> <a class='year' href='/sets/theme-Mindstorms/year-1999'>1999</a> </div><div class='floatright'>©1999 LEGO Group</div>

Robotics Discovery Set

9735-1 Mindstorms 1.0 1999
©1999 LEGO Group
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9735: Robotics Discovery Set

9735-1 Mindstorms 1.0 1999
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1 review
Pieces
390
RRP
$150.00
RRP (inflated)
$294
PPP
38.5c
Instructions
Yes
Value new
~$230.34
Value used
~$80.00
Notes
Random set of the day on 27 Mar 2021
Our community
437 own this set, 161 want it
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<h1>Robotics Invention System 1.5</h1><div class='tags floatleft'><a href='/sets/9747-1/Robotics-Invention-System-1-5'>9747-1</a> <a href='/sets/theme-Mindstorms'>Mindstorms</a> <a class='subtheme' href='/sets/subtheme-1-5'>1.5</a> <a class='year' href='/sets/theme-Mindstorms/year-1999'>1999</a> </div><div class='floatright'>©1999 LEGO Group</div>

Robotics Invention System 1.5

9747-1 Mindstorms 1.5 1999
©1999 LEGO Group
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9747: Robotics Invention System 1.5

9747-1 Mindstorms 1.5 1999
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Pieces
717
RRP
$200.00
RRP (inflated)
$392
PPP
27.9c
Instructions
Yes
Value new
~$199.90
Value used
~$71.24
Notes
Random set of the day on 20 Dec 2018
Version 1.5.
Our community
1311 own this set, 130 want it
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<h1>Droid Developer Kit</h1><div class='tags floatleft'><a href='/sets/9748-1/Droid-Developer-Kit'>9748-1</a> <a href='/sets/theme-Mindstorms'>Mindstorms</a> <a class='subtheme' href='/sets/subtheme-Star-Wars'>Star Wars</a> <a class='year' href='/sets/theme-Mindstorms/year-1999'>1999</a> </div><div class='floatright'>©1999 LEGO Group</div>

Droid Developer Kit

9748-1 Mindstorms Star Wars 1999
©1999 LEGO Group
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9748: Droid Developer Kit

9748-1 Mindstorms Star Wars 1999
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✭✭✭✭✩ 3.8 61 ratings 3 reviews
Pieces
657
RRP
$100.00
RRP (inflated)
$196
PPP
15.2c
Instructions
Yes
Value new
~$267.01
Value used
~$63.97
Our community
3037 own this set, 519 want it
Your collection
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