In 1969, LEGO released 26 Classic Supplemental sets, all of these sets have been retired. For that year, the total price of all retail sets cost $18, today those sets are valued around $741.
Most valuable 1969 LEGO Classic Supplemental set
989 10 Traffic Signs $72.47
Largest 1969 LEGO Classic Supplemental set
971 52 Flat Tile Bricks 52 pieces
Most owned 1969 Classic Supplemental set
995 Lighting Bricks with Color Filters
26 sets

900-2 4 Small Wheels with Accessories

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 12
Availability Retired
900-2 LEGO 4 Small Wheels with Accessories
Retail $0.50
Value $32.71
Growth  +6442.0%
Annual growth 4.5%

901-2 2 Large Wheels with Accessories

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 7
Availability Retired
901-2 LEGO 2 Large Wheels with Accessories
Retail $0.50
Value $18.09
Growth  +3518.0%
Annual growth 4.2%

902 5 Turntables

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 5
Availability Retired
902 LEGO 5 Turntables
Retail $0.50
Value $21.78
Growth  +4256.0%
Annual growth 5.2%

903 Train Wheels and Couplers

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 10
Availability Retired
903 LEGO Train Wheels and Couplers
Retail $0.50
Value $19.35
Growth  +3770.0%
Annual growth 5.3%

906 12 Doors and 5 Hinges

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 17
Availability Retired
906 LEGO 12 Doors and 5 Hinges
Retail $0.50
Value $18.94
Growth  +3688.0%
Annual growth 5.9%

914 Red Windows

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 10
Availability Retired
914 LEGO Red Windows
Retail $0.50
Value $38.66
Growth  +7632.0%
Annual growth 6.6%

914-2 White Windows

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 10
Availability Retired
914-2 LEGO White Windows
Retail $0.50
Value $40.23
Growth  +7946.0%
Annual growth 4.3%

915 Bricks, Studs and Angles

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 9
Availability Retired
915 LEGO Bricks, Studs and Angles
Retail $0.50
Value $21.84
Growth  +4268.0%
Annual growth 4.7%

918-2 21 8-Stud Bricks

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 21
Availability Retired
918-2 LEGO 21 8-Stud Bricks
Retail $0.50
Value $29.56
Growth  +5812.0%
Annual growth 6.2%

919 Bricks and Studs

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 31
Availability Retired
919 LEGO Bricks and Studs
Retail $0.50
Value $21.84
Growth  +4268.0%
Annual growth 5.3%

922 Bricks and Studs

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 28
Availability Retired
922 LEGO Bricks and Studs
Retail $0.50
Value $21.58
Growth  +4216.0%
Annual growth 5.7%

923 50 Bricks Curved and Round

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 50
Availability Retired
923 LEGO 50 Bricks Curved and Round
Retail $0.50
Value $21.84
Growth  +4268.0%
Annual growth 5.9%

964 Building Plates

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 10
Availability Retired
964 LEGO Building Plates
Retail $0.50
Value $21.84
Growth  +4268.0%
Annual growth 5.6%

970-2 47 1/3 Element Plates

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 47
Availability Retired
970-2 LEGO 47 1/3 Element Plates
Retail $3.50
Value $28.59
Growth  +716.9%
Annual growth 2.7%

971 52 Flat Tile Bricks

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 52
Availability Retired
971 LEGO 52 Flat Tile Bricks
Retail $0.50
Value $32.78
Growth  +6456.0%
Annual growth 3.8%

980 23 Red Sloping Bricks

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 23
Availability Retired
980 LEGO 23 Red Sloping Bricks
Retail $0.50
Value $23.70
Growth  +4640.0%
Annual growth 5.7%

980-2 23 Blue Sloping Bricks

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 23
Availability Retired
980-2 LEGO 23 Blue Sloping Bricks
Retail $0.50
Value $12.48
Growth  +2396.0%
Annual growth 4.5%

981 34 Sloping Profile Bricks Red

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 39
Availability Retired
981 LEGO 34 Sloping Profile Bricks Red
Retail $0.50
Value $31.66
Growth  +6232.0%
Annual growth 6.3%

981-2 34 Blue Sloping Profile Bricks

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 39
Availability Retired
981-2 LEGO 34 Blue Sloping Profile Bricks
Retail $0.50
Value $40.21
Growth  +7942.0%
Annual growth 6.7%

985 Lighting Device Parts Pack

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 4
Availability Retired
985 LEGO Lighting Device Parts Pack
Retail $0.50
Value $21.88
Growth  +4276.0%
Annual growth 2.9%

986 One Light Bulb

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 1
Availability Retired
986 LEGO One Light Bulb
Retail $0.99

987 Number Bricks

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 52
Availability Retired
987 LEGO Number Bricks
Retail $0.50
Value $50.70
Growth  +10040.0%
Annual growth 7.1%

988 Alphabet Bricks

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 52
Availability Retired
988 LEGO Alphabet Bricks
Retail $0.50
Value $46.05
Growth  +9110.0%
Annual growth 7.0%

989 10 Traffic Signs

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 10
Availability Retired
989 LEGO 10 Traffic Signs
Retail $0.50
Value $72.47
Growth  +14394.0%
Annual growth 7.8%

994 Fences with Garden Gates

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 19
Availability Retired
994 LEGO Fences with Garden Gates
Retail $0.50
Value $12.74
Growth  +2448.0%
Annual growth 4.8%

995 Lighting Bricks with Color Filters

Theme / Subtheme Classic / Supplemental
Year 1969
Pieces 23
Availability Retired
995 LEGO Lighting Bricks with Color Filters
Retail $2.25
Value $39.88
Growth  +1672.4%
Annual growth 2.6%