# LEGO DUPLO Railway Tunnel and Tracks Expansion Set 10425 — tunnel and 20 curved track elements, for ages 2+

**URL:** https://aio.lv/en/product--lego-10425--11219839
**Data updated:** 2026-01-21 13:38 (EET)
**Category:** Bricks & Blocks
**Manufacturer:** LEGO
**Manufacturer code:** 10425
**EAN:** 5702017583808
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lego-10425--11219839

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Expansion set compatible with DUPLO that adds a tunnel and 20 curved track elements for building and extending railway layouts. Recommended for children aged 2 and up; includes instruction sheet. Compact set dimensions make it easy to integrate into existing DUPLO railway systems and expand imaginative play with trains, tunnels and routes.

## Long description

LEGO DUPLO Railway Tunnel and Tracks Expansion Set 10425 adds a compact tunnel and twenty curved track elements to existing DUPLO railway layouts. The expansion is compatible with DUPLO train systems and designed for children aged 2 and up. An instruction sheet is included to help assemble the tunnel and connect the track pieces, allowing easy integration with other DUPLO railway sets.
Advantages
The set contains twenty curved track pieces and a tunnel element that expand route possibilities and enable more varied train layouts. Its compact dimensions make it simple to place into existing play setups without requiring large additional space. Designed for ages 2+, the pieces are sized for small hands and built to DUPLO safety and compatibility standards.
Suitable for
Extending existing DUPLO railway layouts
Creating new track routes with a tunnel feature
Play and learning activities for children aged 2 and older
Key specifications
Number of elements: 20 curved track elements plus 1 tunnel piece
Recommended age: 2+ years
Series: DUPLO compatible railway expansion
Set dimensions (box): width 280 mm × height 260 mm × depth 116 mm
Product dimensions: width 160 mm × height 200 mm × depth 150 mm
Package weight: 661 g
How to use
Open the package and follow the included instruction sheet to assemble the tunnel and connect the curved track pieces to your existing DUPLO railway layout. Arrange the curved tracks to form continuous routes, ensuring connectors click firmly into place. Place the tunnel on a stable surface and run DUPLO trains through the tunnel as part of creative play scenarios.
Usage recommendations
Use the expansion set together with other DUPLO railway sets for best results. Supervise children under 3 years during play and regularly check track connections for secure fitting to maintain safe operation.

## FAQ

### How much does the LEGO DUPLO Railway Tunnel and Tracks 10425 cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 91 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All LEGO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized LEGO service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11219839/62093750_large.webp

