Rooba's Aroma Stone will naturally and gently scent your room. It requires no electricity or flame to use and is safe for use in any room in the house, including the nursery. To use remove the lid and gently pour 5 - 10 drops of your favourite essential oils on to the stone and allow to absorb. The oils will then slowly diffuse into the air. For best results use in an area with a slight breeze to allow the air to circulate, such as near a door or window. When the aroma is not required, simply replace the lid on the tin. Top up with oil as required. The compact design makes this aroma stone not only perfect at home, but also when travelling - when babies and children stay in unfamiliar surroundings, you can bring the reassuring smells of home with you. Works perfectly with Rooba Dream Little One Sleep Oil.