ROLLER COASTER BUILDING SET: Roller coasters are mesmerizing for kids of all ages, and the new Techno Trax Mineshaft offers kids an "archaeological" coaster adventure! The Mineshaft edition replicates a real-life roller coaster, while your mineshaft car travels through the underworld full of drops, twists, and turns as it makes its journey! INTERACTIVE BUILD & PLAY SET: Comes with a colorful online instruction manual that guides young builders through assembling their own aquatic fun park, making it perfect for children who love hands-on play and construction. An engaging STEM Toy experience. SKILL-BUILDING FUN: Enhances fine motor skills and problem-solving abilities while providing a tangible sense of achievement as children connect parts and watch their creation come to life. Complete with over 150+ parts to build this impressive set, the detailed online instruction manual is very colorful and easy to use. IDEAL GIFT FOR CREATIVE BUILDERS: This action-packed roller coaster system is the perfect gift for kids who enjoy building and engineering, ensuring hours of engaging play. ENDLESS REPLAY VALUE: The motorized chain returns your mineshaft car to the top of the track where another exciting journey begins! Ages 8 and up