A video signal representing rapid ball movement is produced from a series of source images. The preparations contain at least one polymethyl vinyl ether-maleic acid anhydride copolymer, polyvinyl acetate andor at least one copolymer of the polyvinyl acetate with vinyl alcohol esters of fatty acids, as well as at least one cosmetic andor pharmaceutical active substance. The heat may be allowed to transfer from the one or more heaters to a part of the formation such that heat from the one or more heat sources pyrolyzes at least some hydrocarbons within the part. The individual flow tubes 2 are part of a base support that has a circumferential edge 1a.