A handheld novelty device that utilizes a bag structure having a first flexible plastic sheet and a second flexible plastic sheet. At least part of the bag structure is transparent so that the contents of the bag structure can be viewed. The first flexible plastic sheet is molded or bonded to the second flexible plastic sheet in selected areas. This defines a plurality of interconnected chambers in the bag structure. The interconnected chambers include a first chamber, a second chamber and a meandering pathway that interconnects the first chamber to the second chamber. Flow material is provided that at least partially fills the plurality of interconnected chambers. The flow material can be a liquid with floating solids, or a slurry of solids and liquids. The flow material is displaced within the plurality of interconnected chambers when at least one of the plurality of interconnected chambers is compressed.