To provide a throwing game using tetrahedral beanbags which are inexpensive, easily storage, and serve as a unit capable of precise evaluation of a rehabilitation effect.
A tetrahedron beanbag is formed of a single rectangular cloth, and a target is made of cloth. The beanbag can have an increased bottom surface since the beanbag is tetrahedral so as to reduce a slip upon landing, thereby it is possible to precisely determine a throwing function. The determination of a precise throwing function is every important for evaluating a precise rehabilitation effect. Further, due to the tetrahedral shape, the beanbag can always stand upright, and it can be easily retrieved by the aged, and is helpful in preventing lumbago.
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