Easy to assemble DIY kitNo tools are required to assembleNo batteries are required to run the carSafe, educational and eco-friendlyPerfect for school projectsChildren will learn the new form ofClean and green energyPowered By Salt WaterContains: 1 motor with connectors, 1 pinion gear, 1 gear with shaft, 1 round Shaft, 1 air cathode, 1 non woven fabric, 3 magnesium sheet , 1 plastic dropper and 1 plastic spoon