The gyroscope is a special physical spinning top that turns upside down when turning. Its perfect spherical shape is shortened and fitted with a handle. With the necessary momentum, the centre of gravity, which is located in the body, moves upwards and the handle moves downwards It was registered as a patent by H. Sperl on 7 October 1891. ash, embossed, 6 colours approx. 32 mm diameter Delivery in transparent box (price per piece)
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