You"ll be hypnotized by the almost magical movement of the hourglass sand timer within the tube of water-filled glass. Perfect at home or in the office, the Hourglass Sand Timer is a gift sure to be apreciated. It promotes relaxation, relieves stress and enhances inner peace. Just turn it over any time for a break from the pressures of the day. Timer is 5 minutes long. Clean with a soft , damp cloth and then wipe with a soft, dry cloth.