Adjustable arrangement having friction and engagement capability for soles and tyres
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Interactive mobile sculpture system
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Device system for skill game spinning around an axis
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Ball with moving centre of gravity and devices for handling thereof
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Vector model playing device
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Device system for carrying out special movements
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Construction-transform modelling element set
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Educational balance and movement toy
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Toy making acquainted - while entertaining - with the physical essence of the group of driving moments arising around a horizontal axis and the combined influence
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Toy chain containing spatial froms for making different plain and spatial figures