A scent producing apparatus, the apparatus constituted of: a single atomizer a control circuitry and a plurality of scent reservoirs each with a respective controllable release mechanism arranged to release a controlled quantity of the contents of the scent reservoir to the atomizer responsive to the control circuitry. Optionally, at least one solvent reservoir with a respective controllable release mechanism is further provided and arranged to release a controlled quantity of the contents of the at least one solvent reservoir to the single atomizer responsive to the control circuitry. Optionally, a neutralizing agent is provided thus enabling scent production with a pre-determined persistence.
