UGears Mechanical Models are self-propelled, mechanical wooden model assemble kits. These designs are inspired by real-life mechanisms. The team believes that building these beautiful working models should be fun. They have dedicated their engineering know-how, meticulous product testing and quality control to a single goal: Ensuring that the models provide an engaging and rewarding experience for the whole family. This UGears research vessel is an excellent model of large, modern icebreakers and survey ships. You will be blown away by the complexity and astonishing design of NEW UGears 3D wooden puzzle for adults and building kit for kids. Once assembled, all our construction kits for adults operate with rubber-band motors, so no batteries are required. The research vessel mechanical model has a unique design that allows you to look into the hold and engine room and see what makes her move. The model has three movement modes you can switch among manually: forward, turning, and automatic.