CBX/Universal Building Set/Universal Building Set (400)

Universal Building Set

Set 400 · Universal Building Set

Theme: Universal Building Set
Subtheme: Supplemental
Released: 1977
Pieces: 318
Minifigures: 0
Status: Long Retired
Original MSRP: $25

Current market value$1,500new / sealed, secondary market

Original MSRP$25at release · 1977

Total return vs MSRP+5902%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® Universal Building Set set Universal Building Set (400) was released in 1977 with 318 pieces at an original price of $25. As a long retired set it currently trades around $1,500 on the secondary market — it has appreciated +5902% versus its original MSRP (+9% per year).

Tracked in these indices

LEGO 100
LEGO 500

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