| 摘要 |
A hand manipulative game including specially formed fluid chamber, and specially formed objects which must be manipulated into predetermined relation to a target in the chamber. The fluid chamber is formed between a pair of spaced apart translucent walls which are in parallel relation to each other. At least one pair of balls are within the chamber with one ball having a lower specific gravity than the fluid which is to fill the chamber and the other ball having a higher specific gravity than the fluid which is to fill the chamber. The diameter of each of the balls is slightly smaller than the space between the parallel spaced apart walls. Each pair of balls is movable in the fluid chamber in a predetermined relation to the target in order to successfully complete the game.
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