发明名称 EDUCATIONAL ENTERTAINMENT THROUGH THE INTERACTION OF GEARS
摘要 This invention of educational toy enables the user to learn while playing a variety of games that work through the interaction of a set of gears. Numbers, signs, letters, and pictures have been featured on each gear. If one gear is turned, the other gears are being forced to rotate until those figures or symbols that are on the surface of gears are to be matched to a meaningful pattern. Thus, this toy provides educational entertainment.
申请公布号 WO2004041390(A1) 申请公布日期 2004.05.21
申请号 WO2003KR02393 申请日期 2003.11.07
申请人 JEON, CHANG-SUN 发明人 JEON, CHANG-SUN
分类号 A63H33/00 主分类号 A63H33/00
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