Competition: win a pocket-sized solar lamp designed by Olafur Eliasson

Dezeen has teamed up with solar energy company Little Sun to celebrate its five-year anniversary by giving away three of its new Little Sun Diamond lamps, designed by Icelandic artist Olafur Eliasson.

Little Sun Diamond is the third in a line of solar-powered lamps by Eliasson that aim to provide access to light for people who have limited access to reliable energy – almost a quarter of the world’s population.

The launch follows the release of the original Little Sun in 2012 and the popular Little Sun Charge in 2015 – a solar-powered charger that doubles as a lamp.

Like the original product, the Little Sun Diamond is pocket-sized and can produce five hours of bright light after five hours of charging, before fading to a long-lasting soft light.

The faceted lamp – which was inspired by the geometry of crystals – can alternate between two settings: a concentrated reading-style light and a “magical, sparkling glow” akin to that reflected off a diamond.

Robust and weather-resistant, the product is equipped with a stand that makes it a useful desk light. The stand can also be replaced by a lanyard, so that the lamp can be hung up or worn around the neck.

Eliasson, who is best known for his Weather Project installation at Tate Modern in 2003, worked with solar engineer Frederik Ottesen on the project.

The pair’s hope for the Little Sun project is to bring clean, affordable light to people in remote locations and reduce the use of hazardous kerosene lanterns that have both extensive health and environmental drawbacks.

Dezeen is giving away three of the Little Sun Diamond, which can also be purchased the Little Sun website for €30 (approximately £27).

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• Design