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<h1>Ultimate Builders Set</h1><div class='tags floatleft'><a href='/sets/3800-1/Ultimate-Builders-Set'>3800-1</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-2001'>2001</a> </div><div class='floatright'>©2001 LEGO Group</div>

Ultimate Builders Set

3800-1 Mindstorms 1.5 2001

©2001 LEGO Group

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3800: Ultimate Builders Set

3800-1 Mindstorms 1.5 2001

9V Cd Rom Electric Electric Motor Pneumatic

Pieces: 321
RRP: $60.00
PPP: 18.7c
Packaging: Box

Value new: ~$233.96
Value used: ~$45.62
Notes: Random set of the day on 20 Apr 2022

Our community: 453 own this set, 171 want it

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<h1>Ultimate Accessory Set</h1><div class='tags floatleft'><a href='/sets/3801-1/Ultimate-Accessory-Set'>3801-1</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-2000'>2000</a> </div><div class='floatright'>©2000 LEGO Group</div>

Ultimate Accessory Set

3801-1 Mindstorms 1.5 2000

©2000 LEGO Group

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3801: Ultimate Accessory Set

3801-1 Mindstorms 1.5 2000

9V Accessory Electric Light Brick Remote Control Sensor

Pieces: 45
RRP: $50.00
PPP: 111.1c
Packaging: Box
Instructions: Yes

Value new: ~$49.99
Value used: ~$42.87

Our community: 747 own this set, 148 want it

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<h1>Robotics Invention System Upgrade Kit</h1><div class='tags floatleft'><a href='/sets/3805-1/Robotics-Invention-System-Upgrade-Kit'>3805-1</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-2001'>2001</a> </div><div class='floatright'>©2001 LEGO Group</div>

Robotics Invention System Upgrade Kit

3805-1 Mindstorms 1.5 2001

©2001 LEGO Group

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3805: Robotics Invention System Upgrade Kit

3805-1 Mindstorms 1.5 2001

Pieces: 1
RRP: $20.00
PPP: 2000.0c
Packaging: Other

Notes: Upgrades version 1.5 to version 2.0. Contains V2.0 CD-Rom only.

Our community: 118 own this set, 112 want it

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<h1>Vision Command</h1><div class='tags floatleft'><a href='/sets/9731-1/Vision-Command'>9731-1</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-2000'>2000</a> </div><div class='floatright'>©2000 LEGO Group</div>

Vision Command

9731-1 Mindstorms 1.5 2000

©2000 LEGO Group

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9731: Vision Command

9731-1 Mindstorms 1.5 2000

Camera Cd Rom Electric Usb

Pieces: 138
RRP: $100.00
PPP: 72.5c
Packaging: Box
Instructions: Yes

Value new: ~$19.83
Value used: ~$25.00
Notes: Set includes digital colour camera.

Our community: 830 own this set, 136 want it

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<h1>Exploration Mars</h1><div class='tags floatleft'><a href='/sets/9736-1/Exploration-Mars'>9736-1</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-2000'>2000</a> </div><div class='floatright'>©2000 LEGO Group</div>

Exploration Mars

9736-1 Mindstorms 1.5 2000

©2000 LEGO Group

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9736: Exploration Mars

9736-1 Mindstorms 1.5 2000

9V Cd Rom Electric Mars

Pieces: 155
RRP: $50.00
PPP: 32.3c
Packaging: Box
Instructions: Yes

Value new: ~$59.50
Value used: ~$51.75
Notes: Random set of the day on 05 Jun 2020
Add-on set for Mindstorms.

Our community: 731 own this set, 140 want it

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<h1>Micro Scout PC Link</h1><div class='tags floatleft'><a href='/sets/9739-1/Micro-Scout-PC-Link'>9739-1</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-2000'>2000</a> </div><div class='floatright'>©2000 LEGO Group</div>

Micro Scout PC Link

9739-1 Mindstorms 1.5 2000

©2000 LEGO Group

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9739: Micro Scout PC Link

9739-1 Mindstorms 1.5 2000

Unreleased Sets

Notes: This was not released.
This set was not released but it was listed in a retailer's catalogue that was published at the beginning of the year.

Our community: 76 want this set

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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

9V Cd Rom Electric Electric Motor Multibuild Playmat Rcx Sensor

Pieces: 717
RRP: $200.00
PPP: 27.9c
Instructions: Yes

Value new: ~$199.90
Value used: ~$114.35
Notes: Random set of the day on 20 Dec 2018
Version 1.5.

Our community: 1300 own this set, 128 want it

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