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10425 LEGO Duplo Train Tunnel and Tracks Expansion Set thumbnail image

10425 LEGO Duplo Train Tunnel and Tracks Expansion Set
Images 5Description 
10425 LEGO Duplo Train Tunnel and Tracks Expansion Set
  • Train Tunnel and Tracks Expansion Set thumbnail
  • Train Tunnel and Tracks Expansion Set thumbnail
  • Train Tunnel and Tracks Expansion Set thumbnail
  • Train Tunnel and Tracks Expansion Set thumbnail
  • Train Tunnel and Tracks Expansion Set thumbnail

LEGO 10425 Train Tunnel and Tracks Expansion Set is a Duplo set currently available at retail for $19.99 and is projected to retire in mid 2029. Current new-sealed secondary market prices range from $23 to $30, with the average above MSRP at $21.

Forecast Model

This represents the expected annual growth (CAGR) based solely on a forecast model.
LEGO 10425 Train Tunnel and Tracks Expansion Set is a DUPLO Trains set released in 2025, containing 20 pieces. It includes a tunnel build, a 10-piece track, a funnel element, a 2-way points switch for changing directions, and an action brick that triggers light effects. The action brick illuminates the dark tunnel when activated by the interactive trains from sets 10427 and 10428. The expansion is designed to integrate with DUPLO train systems, with specific compatibility noted for sets 10427 and 10428.

Once retired, the expected annual growth will be close to 2% after the second year, valuing the set between $21 and $22 shortly after it is retired.
All regions

For Sale (New/Sealed)

This chart shows the sales listing trends of 10425 Train Tunnel and Tracks Expansion Set.
 (US) DUPLO Town Train Tunnel and Tracks Expansion Set 10425 $16.00
-20.0%
(US) DUPLO Town Train Tunnel and Tracks Expansion Set 10425 $16.00
-20.0%
(US) Official LEGO Train Tunnel and Tracks Expansion Set
BrickEconomy Choice
$19.99
(US) Sealed, New in Box $20.00
+0.1%
(HU) BrickLink store brick350 $21.40
+7.1%
(US) DUPLO: Train Tunnel and Tracks Expansion Set (10425) $21.95
+9.8%
(AU) 10425 Train Tunnel and Tracks Expansion Set - Duplo - BNISB - AU Seller $26.00
+30.1%
(US) Duplo 10425 Train Tunnel and Tracks Expansion Set $27.55
+37.8%
(CH) BrickLink store BeeToys $28.24
+41.3%
(CA) Train Tunnel And Tracks Expansion Set (20 Pieces) 2025 $28.59
+43.0%
(US) DUPLO Town Train Tunnel and Tracks Expansion Set 10425 NEW $29.00
+45.1%
(US) DUPLO Train Tunnel and Tracks Expansion Set 20 Pieces 10425 Set - Box Rough $29.65
+48.3%
(US) LEGO Duplo Train Tunnel and Tracks Expansion Set #10425 - NEW Factory Sealed $29.99
+50.0%
(US) 10425 Train Tunnel and Tracks Expansion Set - 20 Pieces For Age 2+ $30.00
+50.1%
Show 3 more listings

Duplo Interactive Train Sets

10428 Big Interactive Community Train

Theme / Subtheme Duplo / Trains
Year 2025
Pieces / Duplo figures 103 / 4
Availability Retail
10428 LEGO Duplo Big Interactive Community Train
Retail $139.99
Available at retail

10427 Interactive Adventure Train

Theme / Subtheme Duplo / Trains
Year 2025
Pieces / Duplo figures 57 / 2
Availability Retail
10427 LEGO Duplo Interactive Adventure Train
Retail $79.99
Available at retail

10426 Train Bridge and Tracks Expansion Set

Theme / Subtheme Duplo / Trains
Year 2025
Pieces / Duplo figures 42 / 1
Availability Retail
10426 LEGO Duplo Train Bridge and Tracks Expansion Set
Retail $39.99
Available at retail

Sets in Duplo / Trains

10508 Deluxe Train Set

Theme / Subtheme Duplo / Trains
Year 2013
Pieces / Duplo figures 134 / 3
Availability Retired
10508 LEGO Duplo Deluxe Train Set
Retail $109.99
Value $312.30
Growth  +183.9%
Annual growth 9.3%

3772 Deluxe Train Set

Theme / Subtheme Duplo / Trains
Year 2005
Pieces / Duplo figures 110 / 3
Availability Retired
3772 LEGO Duplo Deluxe Train Set
Retail $89.99
Value $194.30
Growth  +115.9%
Annual growth 11.8%

10875 Cargo Train

Theme / Subtheme Duplo / Trains
Year 2018
Pieces / Duplo figures 105 / 3
Availability Retired
10875 LEGO Duplo Cargo Train
Retail $129.99
Value $234.00
Growth  +80.0%
Annual growth 15.6%

66494 Train 3-in-1 pack

Theme / Subtheme Duplo / Trains
Year 2015
Pieces 88
Availability Retired
66494 LEGO Duplo Train 3-in-1 pack
Retail $109.99
Value $132.31
Growth  +20.3%
Annual growth 3.0%

2745 Deluxe Electric Train Set

Theme / Subtheme Duplo / Trains
Year 1996
Pieces / Duplo figures 83 / 3
Availability Retired
2745 LEGO Duplo Deluxe Electric Train Set
Retail $99.99
Value $200.98
Growth  +101.0%
Annual growth 5.5%

2933 Deluxe Train Set with Motor

Theme / Subtheme Duplo / Trains
Year 2000
Pieces / Duplo figures 75 / 3
Availability Retired
2933 LEGO Duplo Deluxe Train Set with Motor
Retail $99.99
Value $197.32
Growth  +97.3%
Annual growth 2.4%

3771 Train Starter Set

Theme / Subtheme Duplo / Trains
Year 2005
Pieces / Duplo figures 65 / 2
Availability Retired
3771 LEGO Duplo Train Starter Set
Retail $49.99
Value $103.17
Growth  +106.4%
Annual growth 9.6%

10874 Steam Train

Theme / Subtheme Duplo / Trains
Year 2018
Pieces / Duplo figures 59 / 2
Availability Retired
10874 LEGO Duplo Steam Train
Retail $64.99
Value $168.79
Growth  +159.7%
Annual growth 22.3%

2730 Electric Play Train Set

Theme / Subtheme Duplo / Trains
Year 1993
Pieces / Duplo figures 54 / 2
Availability Retired
2730 LEGO Duplo Electric Play Train Set
Retail $84.99
Value $192.32
Growth  +126.3%
Annual growth 3.8%

10507 My First Train Set

Theme / Subtheme Duplo / Trains
Year 2013
Pieces / Duplo figures 52 / 2
Availability Retired
10507 LEGO Duplo My First Train Set
Retail $44.99
Value $136.99
Growth  +204.5%
Annual growth 9.3%

2732 Push-Along Play Train Set

Theme / Subtheme Duplo / Trains
Year 1993
Pieces / Duplo figures 46 / 3
Availability Retired
2732 LEGO Duplo Push-Along Play Train Set
Retail $43.00
Value $239.48
Growth  +456.9%
Annual growth 5.3%

3778 Station

Theme / Subtheme Duplo / Trains
Year 2005
Pieces / Duplo figures 46 / 2
Availability Retired
3778 LEGO Duplo Trains Station
Retail $19.99
Value $103.41
Growth  +417.3%
Annual growth 4.8%

10810 Push Train

Theme / Subtheme Duplo / Trains
Year 2016
Pieces / Duplo figures 45 / 2
Availability Retired
10810 LEGO Duplo Push Train
Retail $29.99
Value $102.91
Growth  +243.1%
Annual growth 9.9%

2701 Train and Station Set

Theme / Subtheme Duplo / Trains
Year 1988
Pieces / Duplo figures 42 / 2
Availability Retired
2701 LEGO Duplo Train and Station Set
Retail $44.00
Value $190.91
Growth  +333.9%
Annual growth 3.9%

2936 Train Station

Theme / Subtheme Duplo / Trains
Year 2000
Pieces / Duplo figures 40 / 3
Availability Retired
2936 LEGO Duplo Train Station
Retail $29.99
Value $70.28
Growth  +134.3%
Annual growth 3.3%

2741 Electric Train Starter Set

Theme / Subtheme Duplo / Trains
Year 1996
Pieces / Duplo figures 34 / 2
Availability Retired
2741 LEGO Duplo Electric Train Starter Set
Retail $59.99
Value $421.85
Growth  +603.2%
Annual growth 6.4%

2720 Goods Station

Theme / Subtheme Duplo / Trains
Year 1988
Pieces / Duplo figures 32 / 1
Availability Retired
2720 LEGO Duplo Trains Goods Station
Retail $24.99
Value $122.53
Growth  +390.3%
Annual growth 4.3%

10558 Number Train

Theme / Subtheme Duplo / Trains
Year 2013
Pieces / Duplo figures 31 / 1
Availability Retired
10558 LEGO Duplo Number Train
Retail $19.99
Value $127.36
Growth  +537.1%
Annual growth 11.5%

2700 Train Set

Theme / Subtheme Duplo / Trains
Year 1983
Pieces / Duplo figures 31 / 1
Availability Retired
2700 LEGO Duplo Train Set
Retail $24.99
Value $117.28
Growth  +369.3%
Annual growth 3.7%

2932 Train Starter Set with Motor

Theme / Subtheme Duplo / Trains
Year 2000
Pieces / Duplo figures 29 / 3
Availability Retired
2932 LEGO Duplo Train Starter Set with Motor
Retail $49.99
Value $351.19
Growth  +602.5%
Annual growth 7.8%

10872 Train Bridge and Tracks

Theme / Subtheme Duplo / Trains
Year 2018
Pieces / Duplo figures 26 / 1
Availability Retired
10872 LEGO Duplo Train Bridge and Tracks
Retail $24.99
Value $38.44
Growth  +53.8%
Annual growth 7.1%

3774 Bridge

Theme / Subtheme Duplo / Trains
Year 2005
Pieces 26
Availability Retired
3774 LEGO Duplo Trains Bridge
Retail $19.99
Value $209.00
Growth  +945.5%
Annual growth 9.9%

10506 Train Accessory Set

Theme / Subtheme Duplo / Trains
Year 2013
Pieces 24
Availability Retired
10506 LEGO Duplo Train Accessory Set
Retail $19.99
Value $29.83
Growth  +49.2%
Annual growth 4.9%

10882 Train Tracks

Theme / Subtheme Duplo / Trains
Year 2018
Pieces 23
Availability Retired
10882 LEGO Duplo Train Tracks
Retail $19.99
Value $44.99
Growth  +125.1%
Annual growth 25.7%

2938 Train Tunnel

Theme / Subtheme Duplo / Trains
Year 2000
Pieces / Duplo figures 14 / 1
Availability Retired
2938 LEGO Duplo Train Tunnel
Retail $14.99
Value $40.53
Growth  +170.4%
Annual growth 3.9%

My Collection

Train Tunnel and Tracks Expansion Set Reviews

17 reviews
4.6
Collectors
Investors
BrickEconomy Member Review
“The DUPLO Train Tunnel and Tracks Expansion Set is a compact addition to DUPLO train systems, featuring 20 pieces including a tunnel and track segments. The set includes a switch track for directing trains and a stop gate for added control. The tunnel’s decorative brickwork and simple design make it a delightful element.”
 

About Duplo Trains

The LEGO Duplo Trains theme is a subset of the LEGO Duplo line focused on train-related builds. The sets include larger, child-friendly pieces that allow young builders to assemble train tracks, locomotives, carriages, and associated structures. Emphasizing basic construction and early motor skills, the theme offers an introduction to the world of trains and rail systems, providing youngsters an avenue for imaginative play centered around transportation and train adventures.

Trains currently consists of 50 sets that as of now has run from 1983 to 2025. As of today, 2741 Electric Train Starter Set is the most valuable Trains set with an estimated new/factory sealed value of $422.
Read more
Extend toddlers train adventures with the Train Tunnel and Tracks Expansion Set (10425) toy for toddlers. Preschool kids aged 2+ grow their learning adventures as they add a tunnel and extra track to their LEGO DUPLO Town interactive toy train sets (10427 and 10428, sold separately).

This creative building toy comes with a tunnel build and a 10-piece track, including a funnel element and a 2-way points switch so toddlers can change their trains direction of travel. The action brick lights up the dark tunnel when activated by the interactive train from sets 10427 and 10428.

This kids learning toy encourages a toddlers development. By extending the train track through the toy tunnel, preschoolers learn spatial awareness. Using problem-solving skills to combine the toy track and prediction skills to determine the trains destination, toddlers develop patience and focus as they discover the many routes they can make.

Train track toy set Toddlers aged 2+ extend their LEGO DUPLO...
Description provided by LEGO©