CBX/Space/Monorail Transport System (6990)

Monorail Transport System

Set 6990 · Space

Theme: Space
Subtheme: Futuron
Released: 1988
Pieces: 731
Minifigures: 5
Status: Long Retired
Original MSRP: $80

Current market value$2,000new / sealed, secondary market

Original MSRP$80at release · 1988

Total return vs MSRP+2400%CAGR +9%

Check price on eBay Search Amazon View on BrickLink

Affiliate links — we may earn a commission at no extra cost to you.

The LEGO® Space set Monorail Transport System (6990) was released in 1988 with 731 pieces and 5 minifigures at an original price of $80. As a long retired set it currently trades around $2,000 on the secondary market — it has appreciated +2400% versus its original MSRP (+9% per year).

Tracked in these indices

LEGO 100
LEGO 500
LEGO Space

See the full part-out breakdown, minifig lineup and live chartOpen interactive view →