1. Sets
  2. 1999
  3. Mindstorms
  4. 1

LEGO 1999 / Mindstorms / 1 Sets

In 1999, LEGO released 9 Mindstorms 1 sets, all of these sets have been retired. For that year, the total price of all retail sets cost $574, today those sets are valued around $732, a growth of 27%.
Most valuable 1999 LEGO Mindstorms 1 set
9747 Robotics Invention System $231.40
Highest growth 1999 Mindstorms 1 set
3803 Robotics Invention System Upgrade Kit +82.27%

3803 Robotics Invention System Upgrade Kit

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 70
Availability Retired
3803 LEGO Mindstorms Robotics Invention System Upgrade Kit
Retail $24.99
Value $45.55
Growth  +82.3%
Annual growth 2.3%

9709 RCX Programmable LEGO Brick

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9709 Mindstorms RCX Programmable LEGO Brick
Retail $109.99
Value $119.08
Growth  +8.3%

9735 Robotics Discovery Set

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 390
Availability Retired
9735 LEGO Mindstorms Robotics Discovery Set
Retail $149.99
Value $228.19
Growth  +52.1%
Annual growth 2.6%

9738 RCX Remote Control Unit

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9738 LEGO Mindstorms RCX Remote Control Unit
Retail $19.75
Value $30.51
Growth  +54.5%
Annual growth 1.7%

9747 Robotics Invention System

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 726
Availability Retired
9747 LEGO Mindstorms Robotics Invention System
Retail $199.99
Value $231.40
Growth  +15.7%

9755 Temperature Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9755 LEGO Mindstorms Temperature Sensor
Retail $23.99
Value $26.53
Growth  +10.6%

9756 Rotation Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9756 LEGO Mindstorms Rotation Sensor
Retail $14.99
Value $15.92
Growth  +6.2%

9757 Touch Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 2
Availability Retired
9757 LEGO Mindstorms Touch Sensor
Retail $10.99
Value $14.99
Growth  +36.4%
Annual growth 1.2%

9758 Light Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 1
Availability Retired
9758 LEGO Mindstorms Light Sensor
Retail $19.75
Value $19.99
Growth  +1.2%
Annual growth 2.1%

Year Details

Year
1999
Theme
Mindstorms
Subtheme
1
Sets
9   (all retired)

Year Pricing

Retail
$574.43   (for all 9 sets)
New/Sealed
Value
$732.16
Growth
+27.46%
Annual growth
+1.77%
Used
Value
$307.22

Community Stats

The following are the top 9 most owned 1999 Mindstorms 1 sets by LEGO collectors.
#1Robotics Invention System
#2Robotics Discovery Set
#3RCX Programmable LEGO Brick
#4RCX Remote Control Unit
#5Robotics Invention System Upgrade Kit
#6Rotation Sensor
#7Light Sensor
#8Touch Sensor
#9Temperature Sensor

About LEGO Mindstorms 1

This was the first generation of the LEGO Mindstorms platform also known as the original Robotics Invention System.
1999 LEGO Sets
1999 was a hallmark year for The LEGO Group, it was the year LEGO produced its first Star Wars theme with Lucasfilm, beginning a trend of licensed LEGO products. This event came alongside the year that Star Wars Episode I: The Phantom Menace was released reviving the Star Wars franchise. Along with the successful Star Wars theme being introduced, LEGO released Rock Raiders, Slizer/Throwbot and Winnie the Pooh. In addition, Ice Planet 2002 and the Spyrius theme was re-released. A number of themes were discontinued in 1999 which included Cyberslam, TechPlay, UFO, Insectoids, Znap and Model Team.