Play | Speaker on a swing plays timed noises. Solar powered.

Solar-powered device turns children?s swings into a game of set challenges ?the device is a semi-spherical sensor and speaker kit, which produces noises depending on the swinging pattern of the user. Based on the idea that sound boosts children?s imaginations, the device can be attached to the rope of any swing in order to gamify [...]

Source: http://www.richardbanks.com/trends/2012/05/30/play-speaker-on-a-swing-plays-timed-noises-solar-powered/

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