Sunset Slyme Collider Cap Set (25mm)
This Collider Cap will shift in color from a green to a pink under UV light. The Collider Cap comes with three boro marbles(5mm) and fits 25mm diameter quartz accessories. The cap has two angles airflow jets to direct the airflow to the bottom corners to spin the marbles. This cap is truly hands free and doesn't need to be touched to get the marbles spinning when used!