Details:Show off your "ninja" skills with this quiet, ninja-inspired fidget spinner. Shaped like a throwing star (without the sharp points), use this unique design to train your brain to stay focused as you balance the fidget spinner on your finger or desk. Simply hold the spinner in one hand and use the other hand to spin it rapidly using small strikes to keep it spinning. With enough practice, can average a continuous spin for 2-3 minutes. A great party favor for kids and adults alike, fidget spinners are the stress relievers you never knew you needed!