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Assembling this toy vehicle will be an excellent experience for you. It will help sharpen your skills in building things, and you will learn about physics too. The package contains everything you need to build a cool vehicle. It includes parts, motor, and magnesium metal insert that is essential in operating the car. The best part about this: it does not require batteries to run. Wow! It would help if you had salt and water to operate it. How does that work? First, you need to mix salt and water. Make sure you used the correct ratio. The saltwater creates a chemical reaction with the magnesium plate, which in turn generates electricity to power the motor. Very cool, right? You're having fun and helping the environment at the same time because you are using natural resources to control your car. The vehicle can continuously run for about 5-7 hours with saltwater. This set is recommended for boys and girls aged 8+.