A nestable bucket and carrier servingh as a caddy for assisting in cleaning motor vehicles and other objects include a sturdy rectangular bottom carrier of molded plastic materials having tapered sides, ventilating holes in the sides, sturdy legs which extend vertically from the top of the carrier to provide with support of the carrier and also bins or shelves attached to its external surfaces. Nesting within the carrier is a rectangular plastic bucket for holding liquids and which includes latch devices for fastening to the bottom carrier. A sturdy bail is fastened to the rim of the bucket. A top container is also generally rectangular in cross section and is configured to rest within the bucket or, if the bucket is removed, within the bottom carrier. The top container is also of molded plastic and includes a sturdy lid which can be opened to store cleaning supplies in the container or, when closed, may be used as a seat or step stool. It also includes latch devices to secure itself to either the bucket or the bottom carrier and ventilating holes in its sides and also seat lid to minimize formation of mildew within the carrier.