About:The Locomotive Mechanical Gear is extremely well designed, with very tight tolerances and good machining model set. The interlocking mechanisms are pretty intuitive and not overly tight. Assembling without glue and chemicals on details that are already cut and ready to assemble. This is a perfect mechanical toy for an older child who appreciates the beauty of gravity and gears
No batteries required:Powered simply by spring, Locomotive Mechanical Gears prove that it can run fast compared to other batteries-powered toys.