This type of children's toy cars don't need any batteries, only to add some salt water can let it run up. Children can start understanding of the knowledge of the green energy when they playing, and help children formed from childhood the good habit of environmental protection.
Eco-friendly and energy saving.
The magnesium metal sheet (3 sheets included) can operate the car for about 4 hours continuously.
Size: 20.5 x 15.5 x 4.5 cm
Wight:100g

Tip: not fit for kids below 3 years old

Package Included:

1 x Salt Water Fuel Cell Car DIY Kit