The GraviTrax 159-Piece Kinetic Blast Marble Run STEM Learning Set by Ravensburger is a board game designed for one player aged 8 and up. This ultimate marble run set includes 159 pieces and features a battery-operated power source for light elements. Made in the Czech Republic, this set encourages creativity and problem-solving skills through the construction of a gravity-powered marble run. Perfect for ages 8-11 years, this game provides hours of educational entertainment for young minds.