Start Your Building Journey -- This roller coaster building set includes 2,174 premium bricks to construct a complete amusement park scene, from the ticket booth to the thrilling pirate ship and roller coaster track. The finished model measures 58cm length, 45cm width, and 55cm height, making it a standout display piece. Double-Loop Coaster Thrills -- Featuring a unique double-helix design, this set comes with a battery box and M motor for an authentic roller coaster ride. Watch as the coaster automatically climbs and speeds down the track via the electric lift system, delivering the same adrenaline rush you’d experience at a real amusement park. Pirate-Themed Adventure -- The roller coaster is adorned with a captivating pirate theme, incorporating elements like coconut trees and a detailed pirate ship. Take command of the pirate ship, which is equipped with a rotating steering handle, boarding stairs, non-slip seats, and a hidden power supply room, sparking imaginative storytelling sessions. Educational STEM Fun -- Perfect for teens aged 14 and up, this loop coaster building set offers an engaging way to learn about gear transmission principles and structural engineering. Ideal for them to develop patience & spatial reasoning, and gain valuable STEM knowledge. Ideal Gift & Collectible -- With numbered construction bags and a step-by-step guide, this 11013 Mould King building sets difficulty is moderate. It is a must-have roller coaster toy for boys/girls aged 14+ or adults who love theme park adventures. Great for birthdays, holidays, or as a unique gift for building enthusiasts. Mould King 11013 Roller Coaster Building Set – 2,174 Pcs Double Loop Coaster with Pirate Ship, Amusement Park Theme, STEM Toy for Kids & Adults, Powered by M Motor, Ideal Gift for Rollercoaster Enthusiasts