【Ultimate Rollercoaster Experience】Build a fully motorized loop coaster with 3 electric motors that powers the climbing chain and sends cars speeding through thrilling drops and 360° loops. The finished model measures over 39.6” long, 22.2” high and 17.6” wide. 【Premium 3,675-Piece Building Set】Designed for adult builders, this Mould King 11014 roller coaster set includes intricate details like a ticket booth, benches, signs, and lush greenery for a complete theme park atmosphere. 【Dynamic Motorized Action】Features a battery box and extension cord for easy operation—just flip the switch to watch your coaster climb, race, and loop like a real amusement park ride! It will leave you amazed! 【Display-Worthy Theme Park Model】With vibrant red tracks, white pillars, and black climbing belts, this stunning roller coaster building set becomes a jaw-dropping centerpiece for any room or amusement park collection. 【High-Quality & Expandable】Includes step-by-step instructions and durable ABS bricks. Compatible with major brick brands, this Mould King construction kit is a must-have roller coaster toy for boys/girls aged 14+ or adults who love theme park adventures. Mould King Roller Coaster Building Set