Skip to main content
Report an accessibility issue
Go to our accessibility page
PLAY ZONE
    (0)
    1/13
    Friends
    8+
    864
    Building Instructions
    Warning!
    Small parts.
    New
    Friends#42703

    Mermaid Roller Coaster Ride

    99,99 €
    Will be shipped by 9 June 2026
    Limit 3

    Earn 750 LEGO® Insiders Points

    How your loyalty points work

    Your points = discounts!If you've got enough points, you can use them at the checkout for an instant saving.

    Get exclusive LEGO® setsYou can redeem your points for special, member-only sets.

    Even more special rewardsYou can also swap your points for exciting rewards - like hats, bags, digital downloads and more.

    LEGO® Insiders PointsThe points value you see is an estimate. Actual points will be calculated when you check out.

    Join LEGO® Insiders

    FREE delivery on orders above 55€!*

    Deliveries and Returns

    Delivery options
    Orders placed before 3:30 p.m. CET will be processed the same day. Delivery options are selected at checkout.


    Standard delivery
    • 2-3 business days.
    • 5,95€.
    • Free delivery over 55€.
    Collection Point Delivery
    • 2-3 business days.
    • 5,95€.
    • Free delivery over 55€.
    Next Day Delivery
    • Place your order by 12:00pm for guaranteed delivery next working day.
    • Delivery cost: 6,99 €

    Order cancellations
    You’ll be able to cancel your order until it reaches the ‘In Warehouse’ status. To find out where your order is in its journey you can check your account page.


    Returns
    Unopened merchandise may be returned for a full refund within 35 days of receipt of your order.


    More info
    Visit our delivery and returns page for more detailed info.


    *Free Delivery Every Day offer is valid online at LEGO.com and for telephone orders. Qualifying purchase must be equal to or greater than 55 € in merchandise; any applicable taxes, service fees or value of gift cards purchased do not apply to merchandise total. Once your order reaches 55 €, free standard delivery will automatically be added to your order. If you choose another delivery option or have not met the threshold to waive Pick a Brick service fees, additional charges may apply. The LEGO Group reserves the right to cancel or modify this promotion at any time without advance notice.

    Mermaid Roller Coaster Ride
    99,99 €

    Specifications

    Make playtime extra thrilling with the LEGO® Friends Mermaid Roller Coaster Ride (42703) building set for kids ages 8 and up. This fun gift idea for girls and boys lets young builders create a working roller coaster and send it zooming around a rotating pool where beautiful mermaids swirl and perform. This exciting, functional playset comes with lots of accessories and 5 minidolls, including Autumn, whose face can be swapped to show relaxation or excitement, and 2 mermaids, Serina and Azuria, who both have opalescent hair. Amusement park lovers can find endless ways to enjoy this roller coaster building set with themed details at every turn, including a ticket entrance, park map, photos and lots more. Kids can enjoy intuitive building with the LEGO Builder app, zooming and rotating with 3D instructions, while saving and tracking progress – all from the app. Set contains 864 pieces.
    • ROLLER COASTER BUILDING SET – Let the good times roll with this LEGO® Friends Mermaid Roller Coaster Ride (42703), which includes 5 minidolls and lots of themed accessories
    • FUNCTIONAL AMUSEMENT PARK RIDE – Kids can have lots of fun role-playinga thrilling day out, taking the minidolls for a ride on the working mermaid-inspired roller coaster toy
    • 5 CHARACTERS – Change up the Autumn minidoll’s face to reflect her excitement as she explores the park with Leo and Liann; discover 2 shimmering mermaid toys for endless fun
    • CREATIVE ACCESSORIES – Inspire storytelling and imaginative play with themed accessories, including bubble tea, a photo strip, sea animals, a LEGO® piece narwhal toy plushie and more
    • GIFT IDEA – This mermaid toy for girls and boys makes a great holiday or birthday gift for kids ages 8 years old and up who love pretend play and roller coasters
    • MAKE MORE FRIENDS – Discover more fun with other sets (sold separately) and the LEGO® Friends: The Next Chapter online show, where kids get to know the characters of Heartlake City
    • A HELPING HAND – Follow digital instructions in the LEGO® Builder app, where kids can zoom in and rotate models using 3D instructions, track their progress and save sets as they develop newskills
    • DIMENSIONS – The roller coaster in this 864-piece set measures over 7.5 in. (19 cm) high, 20.5 in. (52 cm) wide and 11 in. (28 cm) deep
    Mermaid Roller Coaster Ride

    Customer Reviews

    Shop more like this: