| 摘要 |
PURPOSE: An infant teaching aids are provided to help an infant to easily make various letters, symbols, figures, numbers, and four fundamental arithmetic symbols of addition, multiplication, subtraction, and division. CONSTITUTION: The infant teaching aids consist of a plate shaped studying frame(10), plural spherical or polyhedral dot members(21,22,23) to be disposed on the studying frame, and plural connection pins for connecting the dot members each other. The studying frame is formed with plural sections(13) divided by plural lattice type partitions(12) on the top surface. The partition of dual wall structure serves to maintain a constant distance between the dot members.
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