Source google image: https://www.scholarschoice.ca/media/catalog/product/cache/1/image/700x/602f0fa2c1f0d1ba5e241f914e856ff9/P/l/Playmobil-Submarine-with-Underwater-Motor-208-9234.jpg
Playmobil underwater motor
Source google image: https://www.scholarschoice.ca/media/catalog/product/cache/1/image/700x/602f0fa2c1f0d1ba5e241f914e856ff9/P/l/Playmobil-Submarine-with-Underwater-Motor-208-9234.jpg