LEGO Train Tunnel and Tracks Expansion Set 10425-1

LEGO Train Tunnel and Tracks Expansion Set (10425-1) is worth about $20 sealed (retail $20). 20 pieces · 2025 DUPLO. Track its value and price history.

LEGO® DUPLO® train track extension toddler toy

LEGO Train Tunnel and Tracks Expansion Set 10425-1
Set number
10425-1
Theme
DUPLO
Subtheme
Trains
Year
2025
Pieces
20
Minifigures
0
RRP
$20
Market value
$20
Released
2025
Retirement
Not retired

LEGO Train Tunnel and Tracks Expansion Set at LEGO: release to today

  • Nov 8, 2026: On sale at LEGO Poland
  • Nov 8, 2026: On sale at LEGO Sweden
  • Nov 6, 2026: On sale at LEGO Ireland
  • Nov 5, 2026 – Nov 6, 2026: On sale at LEGO US (“Available now”)
  • Nov 5, 2026: On sale at LEGO UK
  • Nov 5, 2026: On sale at LEGO Spain
  • Nov 5, 2026: On sale at LEGO Netherlands
  • Nov 5, 2026: On sale at LEGO Germany
  • Nov 5, 2026: On sale at LEGO France
  • 2025: released

What LEGO.com showed, checked daily in the US and eight European stores.

Frequently asked questions

How much is LEGO Train Tunnel and Tracks Expansion Set (10425-1) worth?

LEGO Train Tunnel and Tracks Expansion Set is worth approximately $20 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.

Is LEGO Train Tunnel and Tracks Expansion Set retired?

No — Train Tunnel and Tracks Expansion Set (10425-1) is still in production and available at retail.

Has LEGO Train Tunnel and Tracks Expansion Set gone up in value?

Not currently. Train Tunnel and Tracks Expansion Set launched at $20 and trades around $20 today, 0.0% below its retail price. The price history chart shows the full trend.

What is the price per piece for Train Tunnel and Tracks Expansion Set?

At its $20 retail price across 20 pieces, Train Tunnel and Tracks Expansion Set works out to about $0.999 per piece. Collectors often use price per piece to judge whether a set is good value.

Is LEGO Train Tunnel and Tracks Expansion Set a good investment?

Train Tunnel and Tracks Expansion Set currently trades 0.0% below its $20 retail price, and it is still in production, so retail supply continues to cap resale prices. Past performance is not a prediction — condition, packaging and how long you hold all affect what a set actually sells for. BrickStats reports the numbers rather than giving investment advice.

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