| 主权项 |
1. A learning card, comprising:
a background area, located at one area of the learning card; a number area, located inside the background area for displaying a specific number; a geometric-figure area, located inside the background area for displaying at least one geometric figure to match the specific number; a sentence-making area, located inside the background area for displaying a sentence to match the specific number; a figure area, located at another area of the learning card for displaying a related figure to match the sentence provided in the sentence-making area and the specific number provided in the number area; a membrane switch, located on a surface of the background area, the number area being printed on the membrane switch; a voice IC, located at an inner layer of the learning card, electrically coupled with the membrane switch, the voice IC storing voice data for the sentence-making area; a speaker, located at the inner layer of the learning card, electrically coupled with the voice IC for playing the voice data; and a battery, located at the inner layer of the learning card, electrically coupled with and thus energizing the membrane switch, the voice IC and the speaker. |
