Systems and methods are provided for an apparatus for moving objects along a predetermined path. A system includes plurality of conveying units, each conveying unit being connected to two other conveying units. A particular conveying unit includes a first link unit configured for connection to a first neighbor conveying unit. A second link unit is configured for connection to the first link unit, the second link unit further being configured for connection to a first link unit of a second neighbor conveying unit. A cup is detachably connected to the second link unit.