The Gravity Maze Marble Run Brain Game and STEM Toy is a fun and engaging toy designed for boys and girls age 8 and up. Manufactured by ThinkFun, this product encourages critical thinking skills and problem-solving abilities. With its captivating design and interactive elements, this toy provides hours of entertainment for children in the age range of 8 to 15 years. Made in China, this desk-and-drawer toy measures 9.38 x 3 x 10.5 inches and weighs 1.1 pounds, making it a perfect addition to any child's toy collection.