Train Tunnel and Tracks Expansion Set (10425-1) is a Trains LEGO set released in 2025 with 20 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 11 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Parts in this set
11 parts · updating…
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Duplo Arch 4 x 10 x 75557 · ×1 · Dark Bluish Gray -
Duplo Brick 1 x 3 x 2 Triangle with Train, Orange Border print42025pr0005 · ×1 · White -
Duplo Brick 2 x 4 Curved Top98223 · ×1 · Bright Green -
Duplo Plant, Flower with 1 Top Stud6510 · ×1 · Bright Green -
Duplo Plant, Flower with 1 Top Studs84195 · ×1 · Medium Lavender -
Duplo Train Action Plate with Lamp Print, Light Action35962pr0006 · ×1 · White -
![Duplo Train Track 4 x 8 Curved [Short]](https://cdn.rebrickable.com/media/parts/elements/6207493.jpg)
Duplo Train Track 4 x 8 Curved [Short]6378 · ×10 · Light Bluish Gray -
Duplo Train Track Switcher with Red Switch51560 · ×1 · Light Bluish Gray -
Duplo Train Track, End of the Line Rail Stop35967 · ×1 · Reddish Orange -
Duplo Train Track, Straight with 2 x 8 Plate on Both Sides5370 · ×1 · Yellowish Green -
Duplo Train Tracks, Ramp4785 · ×1 · Yellowish Green