The Erupting Volcano Liquid Timer has a volcano that releases red sand just like an eruption. A fun and entertaining timer. A calming and mesmerising device that can be used by those affected by sensory overload. It is also great as a desk accessory. 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.