| 摘要 |
<p>Theeducational toy is designed to b used, unaided, by a young child. It comprises two superimposed sheets, the lower one carrying mobile elements whose movements are visible through openings in the upper sheet. One of the mobile elements pref. comprises a disc which has pictures of different objects and the name of each object in diametrical alignment, so that a single object and the printed name can be viewed simultaneously through a pair of aligned openings in the top sheet. A series of concentric discs may each carry a sequence of printed letters the discs being rotatable independently to allow a word to be represented when viewed through - further opening in the top sheet.</p> |
