Locomotive Mechanical Gears

Build this amazing 349 pieces 3D puzzle. Enjoy building a model of one of the mechanical wonders of the 19th century. If you love DIY and enjoy building amazing things, you'll love this DIY locomotive. A great engineering toy for kids and adults, great for learning how gear transmission work and how potential energy is created and converted into kinetic energy. Get it for yourself, give it as a gift, or build it with your love ones!