What better way to spend your free time than building a real submarine that actually works? Tao Xingli from China did just that. This amateur inventor drew inspiration from James Bond and Terminator movies. It took approximately 2-years to complete on a budget of just $4,385. Continue reading for a video and more information.

On the technical side, this functional submarine has a periscope, depth control tanks, electric motors, manometer, and two propellers, from old oil barrels and tools which he bought at a second-hand market. Hopefully, Tao gets to test out his incredible creation outside of China sooner than later.