Roller coasters are mesmerizing for kids of all ages, and the Techno Trax Mineshaft offers kids an "archaeological" coaster adventure! The Mineshaft edition replicates a real-life roller coaster, while your mine cart travels through the underworld full of drops, twists, and turns as it makes its journey! The motorized chain returns your mine cart to the top of the track where another exciting journey begins! Complete with over 150+ parts to build this impressive set, the detailed online instruction manual is very colorful and easy to use. This is a fantastic product that aligns with and supports STEM (Science, Technology, Engineering, and Math) standards. Assembled roller coaster measures over 1.5 feet wide and 1 foot tall! Requires 2 AA batteries (not included). Choking hazard Imported Material & Care Plastic Spot clean only