LEGO Pearl Dark Gray Ninjago Spinner with Yellow Top and Dark Blue Hypnobrai (98354)

LEGO Pearl Dark Gray Ninjago Spinner with Yellow Top and Dark Blue Hypnobrai has been used in at least 2 LEGO sets over the past 12 years, since it was first used in 2012. You can also find this part in at least 2 other colors. It has a design ID of 98354 which can usually be found molded into the bottom of the part.