Train Tunnel and Tracks Expansion Set

Name: Train Tunnel and Tracks Expansion Set
Brand: LEGO
SKU: 10425

Reference: #10425 · released in 2025

Themes: Duplo › Trains

The LEGO Train Tunnel and Tracks Expansion Set toy set came out in 2025 in the Duplo theme. This construction set holds 20 parts, featuring a tunnel, a light action brick and track pieces.

This set from LEGO includes a total of 20 parts distributed across 11 distinct unique parts.

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Total parts

Unique parts

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Universe

Download instructions 5 MB

Set parts (11)

20 parts in the box

Duplo Train Tracks, Ramp

Yellowish Green

Duplo Train Track, Straight with 2 x 8 Plate on Both Sides

Yellowish Green

Duplo Arch 4 x 10 x 7

Dark Bluish Gray

Duplo Train Track 4 x 8 Curved [Short]

Light Bluish Gray

Duplo Plant, Flower with 1 Top Stud

Bright Green

Duplo Train Action Plate with Lamp Print, Light Action

White

Duplo Train Track, End of the Line Rail Stop

Reddish Orange

Duplo Brick 1 x 3 x 2 Triangle with Train, Orange Border Print

White

Duplo Train Track Switcher with Red Switch

Light Bluish Gray

Duplo Plant, Flower with 1 Top Studs

Medium Lavender

Duplo Brick 2 x 4 Curved Top

Bright Green

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