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LEGO  |  SKU: 30230721  |  Barcode: 5702017813455

Lego Mermaid Gabby's Aquarium Adventure

£1799
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LEGO Gabby’s Dollhouse Mermaid Gabby’s Aquarium Adventure (11204) – 103 Pieces, Ages 4+

Dive into underwater fun with LEGO Gabby’s Dollhouse Mermaid Gabby’s Aquarium Adventure, a sea-themed building toy designed for kids aged 4 and over. Based on DreamWorks Animation’s Gabby’s Dollhouse: The Movie, this imaginative aquarium set helps young builders explore vibrant ocean life alongside their favourite characters.

Key Features:

  • Perfect for fans of Gabby’s Dollhouse – Features Mermaid Gabby, MerCat and a jellyfish for movie-inspired adventures

  • Underwater play experience – Includes a giant bubble, moving coral, a slide and hidden treasure

  • Easy-to-build Starter Brick – Ideal for preschoolers aged 4+, with clear instructions and separate build bags

  • Creative storytelling – Encourages imaginative play through sea creatures, colourful shells and marine features

  • Display-ready – A bright, compact aquarium that can be proudly showcased in any bedroom or playroom

  • Expandable fun – Combine with LEGO set 11205 (sold separately) for even more world-building adventures

This LEGO 4+ playset offers a joyful introduction to creative construction, combining familiar characters with an exciting underwater setting. Kids will love exploring with Mermaid Gabby as she slides into the aquarium world, ‘floats’ in the bubble with MerCat, and discovers the treasure hidden beneath moveable coral. With vibrant details and friendly sea creatures, it’s a fun way for little ones to practise fine motor skills and storytelling.

The set is designed to support early building confidence, thanks to its Starter Brick, step-by-step pictorial instructions, and simple bag-by-bag construction. It’s also a fantastic opportunity for shared play, allowing adults to join the fun while helping younger children build and learn.

Specifications:

  • Brand: LEGO

  • Theme: Gabby’s Dollhouse

  • Set Name: Mermaid Gabby’s Aquarium Adventure (11204)

  • Age Recommendation: 4+

  • Piece Count: 103

  • Characters Included: Mermaid Gabby, MerCat, Jellyfish

  • Dimensions: Over 15 cm high, 23 cm wide and 7 cm deep

Care and Usage Tips:

  • Wipe bricks clean with a soft, damp cloth

  • Store pieces together in a container to keep the set complete

  • Supervise younger builders as they explore smaller parts

Treat a Gabby’s Dollhouse fan to the magic of underwater play with Mermaid Gabby’s Aquarium Adventure. With movie-inspired features, engaging animals and fun building challenges, it’s an ideal gift for birthdays, holidays or just-because surprises.

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Delivery

Collect your order in-store, have it delivered to your door, or choose a convenient InPost Locker!

We aim to dispatch orders as quickly as possible using trusted couriers.

Your Questions Answered...

What are the delivery options and prices?

We offer Standard (3-5 working days) and Express (1-2 working days) delivery for a small additional charge.

- Postable items (e.g., seed packets, gift cards) - £2.95 via Royal Mail.
- Smaller, lighter items - £4.95 – £6.95.
- Larger, heavier, and fragile items - £9.95 – £19.95.
- Pallet deliveries (e.g., furniture) - from £69.95 (see kerbside pallet delivery details below).

The exact delivery charge is calculated at checkout based on your selected items.

New! Deliver to InPost Locker

Instead of home delivery, choose to collect your parcel from an InPost Locker near you.

- Delivery rates: £3.95 or £4.95 depending on item size.
- How it works: Choose InPost after completing your order. You'll receive a notification when your parcel is ready to collect.
- Collection options: Scan the QR code or open the locker remotely via the InPost app. If collecting from a shop, show your QR code to the staff.
- Collection time: You have 3 days to pick up your parcel. InPost will send a reminder 24 hours before expiry.
- Tracking: Track your parcel via the InPost app or the tracking link in your confirmation email.

Can someone else pick up my parcel?

Yes! Share your QR code or collection code (sent via email) along with your mobile number, and they can collect it for you.

Do I need ID to collect from an InPost Locker?

No, just scan the QR code in the app or your email. For InPost Shop collections, show the QR code to the staff.

Any more questions?

Visit InPost’s [help page](#) for more details or check their blog for tips and updates.

How do I track my delivery?

Once your order is dispatched, you'll receive an email with tracking details.

Who delivers my order?

Depending on size and weight, orders are delivered by Royal Mail, Evri, or Parcelforce. Furniture and large items arrive via kerbside pallet delivery.

What is kerbside pallet delivery?

Large items like furniture are delivered on a pallet using a heavy goods vehicle. The pallet is placed at the nearest safe kerbside location. The driver cannot move it across uneven ground or remove the items from the pallet.

We can arrange a delivery date that suits you. If access for large vehicles is difficult, please let us know in advance.

What should I do if my order arrives damaged?

If your order is damaged in transit, email us a photo and your order number within 24 hours so we can resolve the issue.

Do you deliver to Northern Ireland?

Yes, though some larger or heavier items may incur a surcharge. Unfortunately, we cannot ship plants to Northern Ireland at this time.

Do any UK areas have a delivery surcharge?

Additional delivery charges may apply for:
- Channel Islands
- Northern Ireland
- Scottish Highlands & Islands
- Isle of Man & Isle of Wight
- Scilly Isles

What is the warranty on my purchase?

All products come with a manufacturer’s warranty (typically 12 months unless stated otherwise). Faulty items within the warranty period may be repaired or replaced subject to the manufacturer’s terms.

Still have questions?

Contact us via our enquiry form, call 01497 847055, or email shoponline@oldrailwaylinegc.co.uk.

Returns

How do I return an item?

If a purchase is no longer required you are able to return the goods within 28 days of delivery for a full refund in accordance with our refunds policy set out in Clause 10 of our Terms & Conditions. We will refund any money received from you using the same method originally used by you to pay for your purchase. Please make sure that you include the sales order or invoice with your return.

When returning items to us, please ensure that any and all original packaging, instructions, tags etc are included as supplied to you. We recommend using a recorded/insured service to return your order. The Old Railway Garden Centre cannot be held responsible for returned items lost or damaged in transit to us.