(a species of owlet moth (Noctuid)) Some caterpillars, after they emerge from their egg, can increase their weight by 25,000 times.

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Green gifts

Solar-powered desk fan kit

Eco Desk Fan Kit Tmb

Construct your own desk fan with working blades powered by their own solar panel.

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Solar-powered desk fan kit

£ 22.00

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The desk fan, made from laser-cut perspex for easy, no-glue assembly, is a great demonstration of how efficiently modern solar cells work even when the only available light is from a desk lamp. Keep yourself cool whilst impressing colleagues with your ‘green credentials’.

The fan is made from laser-cut perspex parts so no glue required. The solar cell and motor are included. The pack contains detailed assembly instructions.
The product measures180 x 72 x 95mm and weighs 200g. Ages 6+.