| 摘要 |
An educational toy comprises a body having a peripheral vertical wall, a guide plate secured on the body and having a plurality of radial cutouts to be passages, a connecting passage formed between the vertical wall and the guide plate to communicate with the cutouts, and a plurality of slider pieces which may be moved along the radial cutouts and the connecting passage. The slider pieces are put in different colors to enjoy learning simple calculation. The toy is applicable to a picture book with some character and sentences.
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