NOVELTY - The vermicomposter (1) comprises working trays (2, 3) stacked upon each other to receive organic wastes and worms, a closing lid, a collection tray (4) located beneath the working trays, and a filtering unit allowing the passage of a liquid component in the collecting tray. The upper working tray (13) of the stack is closed by a lid (5). Each working tray comprises a base wall comprising openings (14) for the passage of worms. The collecting tray has a handle and a unit for its insertion and removal of vermicomposter, and is movable to allow its extraction/insertion.    USE - The vermicomposter is useful for transforming household organic wastes into juices and humus for breeding the earthworms of type Eisenia foetida or Eisenia andrei.    ADVANTAGE - The vermicomposter ensures efficient, reliable and easy transformation of household organic wastes into juices and humus, and effectively disposes the volume of wastes in the working trays without creating any environmental pollution.    DETAILED DESCRIPTION - The vermicomposter (1) comprises working trays (2, 3) stacked upon each other to receive organic wastes and worms, a closing lid, a collection tray (4) located beneath the working trays, and a filtering unit allowing the passage of a liquid component in the collecting tray. The upper working tray (13) of the stack is closed by a lid (5). Each working tray comprises a base wall comprising openings (14) for the passage of worms. The collecting tray has a handle and a unit for its insertion and removal of vermicomposter, and is movable to allow its extraction/insertion. The filtering unit consists of a synthetic grid made of plastic material such as polyester having a dimension of less than 500 mu m. The working trays are mounted on guiding rails for insertion/extraction, and have a height of 8 cm for placing the organic waste. The collecting tray is partially made of sealed plastic to contain the liquid or semi-liquid component.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic sectional view of a vermicomposter.    Vermicomposter (1)    Working trays (2, 3)    Collection tray (4)    Closing lid (5)    Upper working tray (13)    Openings of the trays. (14)