Spinning top
From Tardis Wiki, the free Doctor Who reference
A spinning top, also known as a humming top, was a toy. The Eighth Doctor kept one in his pocket and a copy of his memories were placed inside it for Light City. (AUDIO: The Natural History of Fear)
The Wheel resembled a spinning top. (PROSE: The Wheel in Space)
The Second Doctor once visited a giant toyshop which had an enormous spinning top. (PROSE: The Celestial Toyshop)
