发明名称 Balancing toy set
摘要 A balancing toy set in which a number of balancing members are interconnected on a support and are dependent upon one another for the stable equilibrium of the set. The invention can be constructed in a variety of forms ranging from a simple toy for preschool children to a complex puzzle for adults. The invention is useful both as an amusement device and as an educational tool.
申请公布号 US5720645(A) 申请公布日期 1998.02.24
申请号 US19960690048 申请日期 1996.07.31
申请人 DUGGAN, J. EDMUND 发明人 DUGGAN, J. EDMUND
分类号 A63F9/00;A63F9/26;G09B23/10;(IPC1-7):A63H15/00 主分类号 A63F9/00
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