The invention concerns an apparatus for delivering a gas mixture to the nasal airways of a spontaneously breathing child, the apparatus comprises a soother (11), a body (1) forming a mixing chamber attached to the soother and adapted for positioning over the nostrils of the child, at least one gas delivering hose (2) attached to the body forming the mixing chamber for supplying gas to the mixing chamber, wherein the mixing chamber has access to the surrounding air and is adapted for mixing the supplied gas with the surrounding air in order to provide a gas mixture for nasal inhalation, and wherein the body forming the mixing chamber comprises an edge portion (8) with at least one non-contact section, which is adapted for having no contact with the child when the apparatus is in use thereby providing access from the surrounding air to the mixing chamber.