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LEGO® 42703 Mermaid Roller Coaster Ride

Still 3 items in stock
  • Ordered on Mon/Fri before 14:00 (CET), shipped the same day!
NZ$150.09
NZ$166.77
-10%

Specifications

  • Brand: LEGO
  • Theme: LEGO Friends
  • Ages: 8 - 99
  • Total parts: 864
  • Launch Date: 01-06-2026
  • Weight: 1.554 gram
  • Dimensions: 54,00cm x 28,20cm x 7,85cm
  • EAN code: 5702018060605
Check out the 2026 LEGO® catalog!
LEGO Catalog 2026 1HY

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Description LEGO® LEGO Friends: Mermaid Roller Coaster Ride

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-playing a 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 new skills
  • 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

Construction manual 42703

View the building instructions for this LEGO® set.

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Parts from LEGO® 42703 Mermaid Roller Coaster Ride
LEGO® 301021 Brick 1 x 4
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LEGO® 6550135 Brick 1 x 4
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LEGO® 4532972 Slope 2 x 1 x 3 - 75° Inverted
NZ$1.02
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LEGO® 6550136 Plate 2 x 3
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