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Description
LEGO 10425 DUPLO Trains Train Tunnel And Tracks Expansion SetExtend 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 trains lights as the engine travels over it. Train track toy set Toddlers aged 2+ extend their LEGO DUPLO railway adventures and learn developmental
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.
Train track toy set – Toddlers aged 2+ extend their LEGO® DUPLO® railway adventures and learn developmental 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.
Quality toddler toys – All elements of this LEGO® DUPLO® toy have been tested to the max to ensure they fulfil 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-aged kids.
Skill-building playsets – LEGO® DUPLO® build-and-rebuild interactive train toys are designed to develop toddlers’ patience, focus, perseverance and creative problem-solving skills.
Dimensions – This 20-piece set includes a tunnel measuring over 20 cm (7.5 in.) high, 16 cm (6.5 in.) wide and 15 cm (6 in.) deep.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Space Saver
Perfect fit and easy install. Made more space for my desk within minutes.
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Reviewed in the United States on December 5, 2025
★★★★★ 4
Overall great
I LOVE IT. omg exactly what I was looking for. Easy to set up. The only issue is you have to bend over/kneel to set it up and in the process I got an upset stomach, which is why deducted one star. So if you have bowel issues like me, you might want to consider that with this product.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
right size for your dock.
Fit perfectly. Everything is nice and neat.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Sturdy, worked well
Holds it sturdy
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Solid as described
Value for money and easy installation
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Reviewed in the United States on October 4, 2025