Find someone running a CheerLights and then ask Alexa to change the colour. This skill will send a tweet to Twitter changing the colour to that requested. The tweets appear under the Twitter account https://twitter.com/EchoCheerlights
You need a CheerLights device, for details how to build one see: http://cheerlights.com/build/
Alternatively you can install one of the CheerLights apps: http://cheerlights.com/apps/
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