AT
LegoLEGO® DUPLO®

Lego® Train Tunnel and Tracks Expansion Set

Lowest price right now € 14,19 at alternate.de, 29% below RRP, 7 shops compared.

Lego Train Tunnel and Tracks Expansion Set (10425) – Produktfoto freigestellt
Set #
10425
Parts
20
Price/part
74.5 ct
Release
2025
Age
2+

Where is Train Tunnel and Tracks Expansion Set cheapest right now?

Shipping to Austria
7 shops checkedIndependently sorted
New
19,39€BEST PRICE
incl. 4,49 € shippingincl. VAT & duty-freefrom  | 2 to 3 days
19,39 €Newincl. 4,49 € shipping · 2 to 3 days
  • New
    21,48€
    incl. 3,00 € shippingincl. VAT & duty-freefrom  | 2 to 4 days
    21,48 €Newincl. 3,00 € shipping · 2 to 4 days
  • New
    22,09€
    incl. 7,90 € shippingincl. VAT & duty-freefrom  | 2 to 3 days
    22,09 €Newincl. 7,90 € shipping · 2 to 3 days
  • New
    22,29€
    incl. 4,80 € shippingincl. VATfrom  | 1 to 3 days
    22,29 €Newincl. 4,80 € shipping · 1 to 3 days
  • New
    23,94€
    incl. 3,95 € shippingincl. VAT & duty-freefrom  
    23,94 €Newincl. 3,95 € shipping
Price check · in short

What does Lego® Train Tunnel and Tracks Expansion Set (10425) currently cost?

On VERObricks, Lego® Train Tunnel and Tracks Expansion Set (Set No. 10425) is currently listed by 7 shops across 7 offers. The lowest new price in the VERObricks comparison is 19,39 € (alza). Other new offers range up to 27,13 €. The manufacturer's RRP is 19,99 €. The current price per brick is 97,0 cents.

Notes on prices & affiliate links
Displayed prices may differ from actual offers. We update prices regularly, but offers on the linked pages may change quickly. Please note that we earn a commission on some qualified purchases made through partner links (e.g., from Amazon, eBay, or other shops). This only applies to links used within affiliate programs. There are no additional costs for you, and we also provide non-affiliate links to ensure a comprehensive overview of available offers.

Has Train Tunnel and Tracks Expansion Set ever been cheaper?

Current
19,39 €
New, best shop
30-day low
19,39 €
on 13. Nov. 2025 · alza
Usual at dealers
19,39 €
90-day median, final price
All-time low
15,00 €
on 06. Apr. 2025 · galaxus-de

Set details

At a glance
Brand
Lego
Partcount
20
Age
2+
Release / EOL
2025 – 2029
RRP
19,99 €
Price per Part
74.5 ct
Building instructionsPDF from the manufacturer
Technical data8 entries

Product

Name
Train Tunnel and Tracks Expansion Set

Dimensions

Packaging width
26,2 cm
Packaging height
11,8 cm
Packaging length
28,2 cm
Packaging weight
0,7 kg

Identification

MFR
10425
EAN
57020175838085702017670379
SKU
10425

DescriptionManufacturer text

Preschool kids add even more fun to their LEGO® DUPLO® train sets while learning spatial awareness with this track building toy for toddlers.

Extend toddlers’ learning journeys with this creative track expansion set. Preschoolers create new adventures for their train by adding 10 extra pieces of track, funnel and tunnel elements, and a points switch to change the direction of travel. The set also comes with an action brick that activates the train’s lights as the engine travels over it.

Lego Train Tunnel and Tracks Expansion Set

Train track toy set – Toddlers aged 2+ extend their LEGO® DUPLO® railway adventures and learn development skills with the Train Tunnel and Tracks Expansion Set

Comes with lots of extra pieces to grow the fun – This creative building toy includes 10 track pieces, 1 action brick, a 2-way points piece and tunnel and funnel elements

Anytime gift idea – This extension set makes a fun treat for any toddler who loves to play with their LEGO® DUPLO® interactive toy train sets, sold separately

Lego Train Tunnel and Tracks Expansion Set

Quality toddler toys – All elements of this LEGO® DUPLO® toy have been tested to the max to ensure they fulfill demanding child safety standards

Track building that connects to toy train sets – Add this set to LEGO® DUPLO® Town interactive train sets (10427 and 10428) to create an even bigger learning journey for preschool kids

Skill-building playsets – LEGO® DUPLO® build-and-rebuild interactive train toys are designed to develop toddlers’ creative problem-solving, patience, focus and perseverance skills

  1. Dimensions – This 20-piece set includes a tunnel measuring over 7.5 in. (20 cm) high, 6.5 in. (16 cm) wide and 6 in. (15 cm) deep

Frequently Asked Questions

Where can you buy Lego® Train Tunnel and Tracks Expansion Set?

New stock is available at alternate.de, alza, brickmo, brickstore, galaxus-de, Lego.de, thalia.de (7 shops). VERObricks compares all prices in real time and always shows you the lowest offer — for new and used stock, with shipping cost comparison.

Was Train Tunnel and Tracks Expansion Set ever cheaper? Price history & all-time low

VERObricks tracks the price history of Lego® Train Tunnel and Tracks Expansion Set across all shops. The historical low for new is 15,00 €. The highest observed new price was 28,39 € — a range of 13,39 €. Currently, the price is 4,39 € (29%) above the all-time low. The lowest used price historically was 19,21 €. The price trend is currently downward — the price has fallen recently. With the VERObricks price alert you'll be notified instantly when the price reaches your target.

What is Lego® Train Tunnel and Tracks Expansion Set? Contents, parts & details

Lego® Train Tunnel and Tracks Expansion Set is a set by Lego from the "LEGO® DUPLO®" theme (Set No. 10425, EAN: 5702017583808). According to the VERObricks database, the set includes 20 parts, Recommended age 2+. Manufacturer description: "Preschool kids add even more fun to their LEGO® DUPLO® train sets while learning spatial awareness with this track building toy for toddlers." On VERObricks you can find the set in these categories: LEGO® DUPLO®, Kids, Trains, Toddlers.

When was Lego® Train Tunnel and Tracks Expansion Set released and how long will it stay available?

Lego® Train Tunnel and Tracks Expansion Set was released in January 2025. According to the manufacturer's planning, the set retires at the end of 2029 (EOL, end of life). While it is in regular stock, keep an eye on the price history; after retirement, new copies come from remaining stock only and prices often rise. The official building instructions are available as a PDF directly from the manufacturer, linked in the set details section.

Is Train Tunnel and Tracks Expansion Set worth it at the current price?

At the current VERObricks best price of 19,39 € for 20 parts, that works out to 97,0 cents per part. The high price per part suggests a premium or collector set, where collectibility plays a larger role than pure part count.