Mermaid Roller Coaster Ride
©2026 The LEGO Group · Image(s) courtesy of Brickset.com (opens in a new tab)
$109.99· $0.127 per piece
Details
- Number
- 42703-1
- Theme
- Friends
- Subtheme
- Amusement Park
- Theme group
- Modern day
- Year
- 2026
- Pieces
- 864
- Minifigs
- 5
- Age
- 8+
- Launch date
- 1 Jun 2026
- Expected exit
- 31 Dec 2027 (Brickset estimate)
- Status
- AvailableAvailable at LEGO.com (US/UK/CA/DE)
- Source
- Retail
- Packaging
- Box
- Category
- Normal
Dimensions
- Box (W x H x D)
- 54 x 28.2 x 7.9 cm(21 1/4" x 11 1/8" x 3 1/8")
- Model
- 19 x 52 x 28 cm(7 1/2" x 20 1/2" x 11")
Prices
| Region | RRP | Per piece | On LEGO.com |
|---|---|---|---|
| United States | $109.99 | $0.127 | 3 May 2026 – now |
| United Kingdom | £89.99 | £0.104 | 3 May 2026 – now |
| Canada | CA$154.99 | CA$0.179 | 3 May 2026 – now |
| Germany | €99.99 | €0.116 | 3 May 2026 – now |
Minifigures
Identifiers, instructions and tags
Identifiers
- Set number
- 42703-1
- EAN
- 5702018060605
- UPC
- 673419421782
- Item number (NA)
- 6585618
- Item number (EU)
- 6585617
- Brickset ID
- 52660 (opens in a new tab)
Instructions
Tags
Buy this set
Similar sets
Description
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