280-2 Blue Sloping Roof Bricks was a 14 piece System i Leg set released in 1959. The part count by country varies, in Europe it consisted of 14 or 13 parts, the UK and Australia had14 parts.

Sets in System i Leg / Supplemental

Theme / Subtheme System i Leg / Supplemental
Year 1959
Pieces 21
Availability Retired
281 LEGO 1x2 and 3x2 Red Sloping Bricks
Retail $0.50
Value $27.99
Growth 5498.0%
Annual growth 5.4%
Theme / Subtheme System i Leg / Supplemental
Year 1959
Pieces 21
Availability Retired
281-2 LEGO 1x2 and 3x2 Blue Sloping Bricks
Retail $0.50
Theme / Subtheme System i Leg / Supplemental
Year 1959
Pieces 21
Availability Retired
282 LEGO 2x2 Sloping Roof Bricks Red
Retail $0.50
Theme / Subtheme System i Leg / Supplemental
Year 1959
Pieces 21
Availability Retired
282-2 LEGO 2x2 Blue Sloping Roof Bricks
Retail $0.50
Theme / Subtheme System i Leg / Supplemental
Year 1959
Pieces 14
Availability Retired
280 LEGO Red Sloping Roof Bricks
Retail $0.50
Value $43.12
Growth 8524.0%
Annual growth 6.2%