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About this Set
The LEGO Monorail Transport System (#6990) is a Space themed set released in 1987. This set has been retired and is no longer available at retail, making it a collectible item. The set includes 6 minifigures, offering great play value and display options.
Value & Pricing
Retail Price$150.00
Current Value$1199.99
Total Growth+700.0%
Annual Growth5.5%
Price per Piece$1.935
Investment Potential
Growth RatingGood
CollectibilityHigh