This water pump can move water along on solar power when the sun is shining. It can also be powered by battery when there is no sunlight. Solar or battery powered. An educational science kit. Ideal for young budding engineers. Learn important basic concepts. Size H27.5, W20.5cm. Batteries required: 1 x AAA (not included) plus. For ages 8 years and over. Manufacturer's 1 year guarantee. EAN: 4893156034250. WARNING(S):Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult. Attributes:MPN: 7440931 Color: green