A method of preparing individual spectacle lenses (L) in accordance with a prescription order comprises the steps of: (i) blocking, a provided lens blank (LR) as workpiece with the help of a blockingmaterial (M) on a block piece provided from a plurality of block pieces (B) from a block piece store (BL), (ii) processing the blocked lens blank at least at a second surface so as to obtain a blocked, processed spectacle lens (L) as workpiece, and (iii) deblocking the processed spectacle lens from the block piece, wherein the workpiece, optionally in the blocked state, is transported between thesteps (i) to (iii) in one of a plurality of provided transport boxes (T). In the method, the block pieces prior to the step (i) of blocking are stored in the transport boxes in the block piece store and, and are provided in the transport boxes from the block piece store for the step (i) of blocking, and/or are transported in the transport boxes to the block piece store after the step (iii) of deblocking.