The LEGO Friends Mermaid-themed roller coaster building set (42703) adds more excitement to playtime for children over 8 years old. Young builders can create a functioning roller coaster and send the car speeding around a rotating pool where beautiful mermaids swim.

This exciting and versatile playset includes plenty of accessories and 5 mini-dolls – including Autumn, whose face can be swapped from relaxed to excited, and 2 mermaids, Serena and Azurea, both with opalescent hair.

The buildable roller coaster with ticket booths, park maps, photos, and other details inspires endless fun for amusement park enthusiasts.

Thanks to the LEGO Builder app, building is intuitive. In the app, children can zoom in and rotate models in 3D view, save sets, and track their progress. The set contains 864 pieces.

• BUILDABLE ROLLER COASTER – The LEGO Friends Mermaid-themed roller coaster (42703), 5 mini-dolls, and many theme-appropriate accessories ensure endless fun
• FUNCTIONAL ROLLER COASTER – Kids can play exciting roleplays and take mini-dolls on a mermaid-themed roller coaster ride
• 5 CHARACTERS – Autumn mini-doll’s face can be swapped to excited as she explores the park with Leon and Liann, and 2 sparkling mermaid toys inspire endless fun
• CREATIVE ACCESSORIES – Bubble tea, photo set, sea creatures, a narwhal plush toy built from LEGO® bricks, and other themed accessories spark storytelling and imaginative play
• GIFT IDEA – The mermaid-themed toy is a fun birthday or surprise gift for girls and boys over 8 who enjoy imaginative play and roller coasters
• DISCOVER MORE FRIENDS – Also explore other fun sets (sold separately) and LEGO® Friends: Heartlake City series, which introduces children to the characters of Heartlake City
• BUILDING HELP – With the LEGO Builder app’s digital instructions and tools, kids can zoom and rotate models in 3D view, track progress, save sets, and learn new skills
• DIMENSIONS – The roller coaster built from the 864-piece set measures 7.5 inches high, 20.5 inches wide, and 11 inches deep