It's a toy that consists of three bearings and three round-tipped, seated on a circular base where the thumb is placed, and is rotated with the index finger. It was designed to help children with autism or attention deficit to lower your stress levels. However, this toy has become popular among all children equally, regardless of its original purpose. It is currently fashionable, and even, it is difficult to find because running low given the demand. There are several models of different materials and colours. It is like a spinning top but modern.
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