Supplementary Set

877-1

Released: 1979 · Parts: 30 · Theme: Expert Builder

Supplementary Set (877-1) is a Expert Builder LEGO set released in 1979 with 30 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Expert Builder sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 12 unique part types.