How can I make my own toys liquid wave motion?

well-known as a toy in the design just before: query Bartholomew : How to make your personal liquid motion toys wave I'm not positive what this toy is named. This is a novelty item typically sold alongside Lampen.Es lava is clear, thick, rectangular container with two different liquids. The best layer is clear, and the bottom layer is normally blue rock you gefärbt.Wenn these containers back and forth, a cool-searching waveforms idle inside. It is fun to watch and relax. Sometimes the toy

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