The Cyclone Timer has a spiral flow with a concave surface to create an interesting visual effect. The liquid droplets spiral down a circular ramp in a mesmerising motion. A calming and mesmerising device that can be used by those affected by sensory overload. It is also great as a desk accessory. Comes in a mix of gold, orange and blue colours. Warning: These products are made from acrylic plastic. They will not withstand being thrown or dropped onto hard surfaces. They contain mineral oils which may smell strongly if the product breaks. The contents are not toxic and are approved to Australian safety standards, however please under supervision to ensure safe use of the product.