发明名称 Electronic educational toy appliance and a portable memory device therefor
摘要 An electronic toy designed to stimulate the development of a child's mind using audio feedback, the toy comprising an object having a plurality of sides, the object adapted for lateral movement and rotational manipulation by a child on a substantially horizontal surface so that the child can laterally move the object on the substantially horizontal surface and select different sides of the object to face upwardly.
申请公布号 US6729881(B2) 申请公布日期 2004.05.04
申请号 US20020260964 申请日期 2002.09.30
申请人 发明人
分类号 G09B1/06;G09B3/02;G09B5/00;G09B5/06;G09B7/00;G09B7/04;G09B11/00;G09B17/00;G09B19/02;G09B19/04;(IPC1-7):G09B19/00 主分类号 G09B1/06
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