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This simple device with a black stand is the perfect size to sit on your desk, with its rhythmic motion inscribing beautiful patterns in the sand. The simplicity of a pendulum belies its scientific importance, as it has been used to demonstrate a plethora of principles, including the rotation of the Earth, and has been used to detect earthquakes for over a millennium.
Watch the rhythmic motion inscribing beautiful patterns into the sand and be mesmerised. The pendulum rocks through the fine sand it gently ‘writes’ an ever-changing geometric pattern.
The patterns change size as the arc of the pendulum changes. The 38cm version has a black stand whilst the 55cm version is a has a wooden stand both are perfect to sit on your desk and watch the patterns transform before your eyes.
A fabulous gift for the ‘hard to buy for’ older child or adult.
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