Metal Earth Solar Spinner With this rotating disc, it'Metal Earths a feast to show off your laser-cut models. The Solar Spinner runs on solar energy and needs very little light. It gives your favorite object the attention it deserves in a brilliant way! Specifications: Colour: black, transparent Gender: junior, unisex Material: acrylic Power supply: solar energy Number of cells: 4 solar cells Diameter: 9 cm Age: from 6 years