LEGO® Friends Mermaid Roller Coaster Ride (42703) – 864-Piece Amusement Park Building Set for Kids 8+

LEGO® Friends Mermaid Roller Coaster Ride Model 42703

Turn any afternoon into a day at the amusement park. This 864-piece build lets kids construct a genuinely working roller coaster that zooms and spins around a rotating mermaid pool — bringing Heartlake City's most magical ride straight to the living room floor.

Why This Ride Stands Out

Most building sets ask kids to admire a static model once it's finished. This one keeps going: the completed coaster actually rotates and sends minidolls circling the mermaid pool, turning build time into play time. Paired with a cast of five characters — including a face-swapping Autumn minidoll and two opalescent-haired mermaids, Serina and Azuria — it rewards imaginative, repeatable play long after the last brick clicks into place.

Product Highlights

• Working roller coaster that spins riders around a mermaid-filled pool
• 5 minidolls included, featuring a face-change feature for Autumn's expressions
• 2 shimmering mermaid characters, Serina and Azuria, each with opalescent hair
• Amusement park theming throughout — ticket entrance, park map, and photo props
• Bonus accessories including bubble tea props, a photo strip, sea creatures, and a plush narwhal toy
• Guided building via the LEGO® Builder app with zoomable, rotatable 3D instructions
• Progress-saving in-app so builders can pick up right where they left off
• A thoughtful gift pick for imaginative kids aged 8 and up

Specifications

Who Is It For?

Built for young LEGO fans who love a project with payoff — the kids who'll happily spend an afternoon building, then another week playing. It suits both dedicated LEGO Friends collectors and newcomers drawn in by the mermaid theme, and works equally well as a solo building challenge or a shared play session with siblings and friends.

Ready for UK Dispatch

This set is in stock and prepared for swift UK dispatch from Elite Store, so builders can get straight into construction with minimal wait. Order now to secure this set before the current batch sells through.

FAQs

Is this suitable for a 6-year-old with adult help?
It's designed for ages 8 and up due to piece complexity and smaller components, but younger fans can absolutely take part in a supervised build alongside an adult or older sibling.

Does the roller coaster move on its own, or do you have to push it?
The ride is manually operated — kids turn or push the mechanism themselves to send it spinning around the pool, keeping play hands-on and interactive rather than battery-dependent.

Can this set connect with other LEGO Friends playsets?
Yes, it's designed to pair with other LEGO Friends sets (sold separately), so the amusement park and its characters can expand into a wider Heartlake City collection over time.

Shipping & Returns

Reliable Standard Delivery

• Mainland UK: Delivered within 3–5 business days via our trusted carrier partners.
• Fast Processing: All orders are dispatched within 1–2 business days (Mon–Fri).
• Tracked Service: You will receive a tracking number via email as soon as your order leaves our facility.
• Service Notice: Please note that delivery service is not available for Northern Ireland, the Scottish Highlands/Islands, Isle of Man, Scilly Isles, or the Channel Islands.

Easy 14-Day Returns

• Easy Returns: You have 14 days after your package arrives to ask for your money back.
• Condition: Items must be unworn, unused, and in their original packaging with all tags attached to be eligible.
• Faulty Goods: If your item arrives damaged or defective, please contact support@elitesstore.co.uk within 48 hours for a replacement or refund.
• Return Shipping: Unless the item is faulty, the buyer is responsible for the cost of return shipping.