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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.
This is the cheapest delivered at home option for The Netherlands for € 74.99
» Now lowest price ever! «
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Pricing Info
| Current price | ↓ € 2.91 | € 74.99 |
| Lego retail price | 11.57 ct/brick | € 99.99 |
| Lowest price ever | € 74.99 | |
| Half-Year Low | € 74.99 | |
| Highest price ever | € 114.99 | |
| Price is 25% below the initial Lego retail price, a € 25.00 discount! This comes down to 8.68 cent per brick. | ||
Lego Set price development
Current pricing since June 10th 2026
Amazon pricing is not included in price tracking/graphSet price per store
Delivered to
Netherlands
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![]() | € 104.21 (£ 89.97) | € 118.26 ~ | ||||
No local delivery
| Store Name | Description | Rating | Changed | Price |
|---|---|---|---|---|
€ 104.20 (£ 89.99) |
~ means with approximated delivery cost and VAT differences, as the actual delivery costs might vary due to item weight and/or dimensions.
Prices and availability may have changed since the last update. Order is purely based on price, compensation by partners has no influence whatsoever on this. Only with equal prices can historical performances influence the order.
Prices and availability may have changed since the last update. Order is purely based on price, compensation by partners has no influence whatsoever on this. Only with equal prices can historical performances influence the order.
Lego Set price development
Amazon pricing is not included in price tracking/graph
Details
Set Title
LEGO 42703 Mermaid Roller Coaster Ride
Alternate description
Kids’ mermaid-themed roller coaster gift for girls and boys
Pieces
864
Ages
Theme
Monitoring since
May 2026
Building instructions
EAN
5702018060605
Shortlink
User comments about Mermaid Roller Coaster Ride (42703)
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Themes
Mermaid Roller Coaster Ride 42703 Features
- 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
- 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


































