LEGO 9723 Cities & Transportation is a Education set from 2000 valued at $115 for new and sealed sets, up 5% from an original retail price of $109.99. Annual appreciation has averaged 7.89% since release. Used copies are valued between $95 and $116 depending on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Cities & Transportation since December 2016. High accuracy
LEGO 9723-1 Cities & Transportation, also known as the ROBOLAB Cities and Transportation Set, is an Education set released in 2000 that contains 388 pieces. It was developed for classroom use with the RCX-based LEGO MINDSTORMS platform and is designed to model traffic systems and other city-management functions through robotics. The set was intended to complement the 9785/9786 Robo Technology Set and required ROBOLAB software, which was sold separately. LEGO designed it for group use, with activities aimed at up to four students working together.

A new and sealed Cities & Transportation is currently valued at around $115, with annual growth of 7.9% that is expected to level off to around 2.0% in the coming year. The average used price is $97 for those in good overall condition. Based on current trends, this set could be valued near $116 within the next year.
It has been a few months since we last saw 9723 Cities & Transportation available in either primary or secondary markets. Its true value may be slightly higher than our current estimate. The last brand new Cities & Transportation was sold on eBay.
There are currently no new/sealed listings available for Cities & Transportation at this time.
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Availability Retired
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Growth  +26.2%

9917 DCP Sensor Connector Cable

Theme / Subtheme Education / Mindstorms
Year 2000
Pieces 1
Availability Retired
9917 LEGO Education Mindstorms DCP Sensor Connector Cable
Retail $59.00
Value $66.09
Growth  +12.0%
Designed for groups of 4 students, the Cities and Transportation is a LEGO MINDSTORMS Set that provides students with a realistic understanding of robotics technology used in traffic systems, public and private transport and city management. The set uses the RCX brick and ROBOLAB software (not included) and is ideal complement to 9785/86 Robo Technology Set. Perfect for use in interdisciplinary work.
Description provided by LEGO©