In 1969, LEGO released 13 Trains 4.5V sets, all of these sets have been retired. For that year, the total price of all retail sets cost $116, today those sets are valued around $9,669, a growth of 8254%.
Most valuable 1969 LEGO Trains 4.5V set
138 Electronic Train $2,190.96
Highest growth 1969 Trains 4.5V set
122 Loco and Tender +17146.95%
Largest 1969 LEGO Trains 4.5V set
127 Complete Train with 3 Wagons 575 pieces
Most owned 1969 Trains 4.5V set
158 Railroad Crossing Gate
13 sets

101 4.5V Battery Case

Theme / Subtheme Trains / 4.5V
Year 1969
Availability Retired
101 LEGO Trains 4.5V Battery Case
Retail $1.50
Value $48.00
Growth  +3100.0%
Annual growth 3.8%

118-3 Sears Motorized Freight or Passenger Train

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 451
Availability Retired
118-3 LEGO Sears Motorized Freight or Passenger Train
Retail $19.99
Value $1,712.37
Growth  +8466.1%
Annual growth 8.1%

120 Complete Freight Train Set with Tipper Trucks

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 175
Availability Retired
120 LEGO Complete Freight Train Set with Tipper Trucks
Retail $14.00
Value $791.52
Growth  +5553.7%
Annual growth 7.3%

122 Loco and Tender

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 102
Availability Retired
122 LEGO Trains Loco and Tender
Retail $9.50
Value $1,638.46
Growth  +17146.9%
Annual growth 6.9%

123 Passenger Coach

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 98
Availability Retired
123 LEGO Trains Passenger Coach
Retail $2.75
Value $348.89
Growth  +12586.9%
Annual growth 8.9%

124 Goods Wagon

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 56
Availability Retired
124 LEGO Trains Goods Wagon
Retail $2.75
Value $396.74
Growth  +14326.9%
Annual growth 7.6%

125 Tipping Wagon

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 20
Availability Retired
125 LEGO Trains Tipping Wagon
Retail $1.50
Value $77.84
Growth  +5089.3%
Annual growth 7.2%

127 Complete Train with 3 Wagons

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 575
Availability Retired
127 LEGO Complete Train with 3 Wagons
Retail $8.99
Value $1,037.67
Growth  +11442.5%
Annual growth 8.7%

138 Electronic Train

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 111
Availability Retired
138 LEGO Electronic Train
Retail $26.50
Value $2,190.96
Growth  +8167.8%
Annual growth 8.1%

139 Electronic Control Unit Forward, Backward and Stop

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 13
Availability Retired
139 LEGO Trains Electronic Control Unit Forward, Backward and Stop
Retail $12.38
Value $923.08
Growth  +7356.2%
Annual growth 12.1%

139A Electronic Control Unit Forward and Stop

Theme / Subtheme Trains / 4.5V
Year 1969
Availability Retired
139A LEGO Trains Electronic Control Unit Forward and Stop
Retail $9.88
Value $363.32
Growth  +3577.3%
Annual growth 4.2%

157-2 Automatic Direction Changer

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 7
Availability Retired
157-2 LEGO Trains Automatic Direction Changer
Retail $2.50
Value $38.88
Growth  +1455.2%
Annual growth 5.3%

158 Railroad Crossing Gate

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 9
Availability Retired
158 LEGO Trains Railroad Crossing Gate
Retail $3.50
Value $101.43
Growth  +2798.0%
Annual growth 6.1%