| 摘要 |
PROBLEM TO BE SOLVED: To provide a memory work quiz toy for thinking out an answer to a memory work quiz displayed through a 'quiz' window by rotating the toy with a knob attached to the toy, and confirming the answer by looking at an 'answer' window. SOLUTION: A sheet 5 on which memory work quizes and the answers are printed is stuck on the main body barrel 1 of this toy with a knob 4. The main body barrel 1 is inserted into a drum-shaped cylindrical frame 2 with a lid on one end and closed by the lid 3. The cylindrical frame 2 has a 'quiz' window 6 and an 'answer' window 7.
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