发明名称 Sensory feedback educational tool
摘要 An educational tool for teaching a child to read and write includes a writing board having a writing surface. A raised rim extends around the writing surface, the rim and the writing surface defining the interior of the tool for holding a displaceable writing medium. Indicia are disposed about the writing surface. The indicia provide additional sensory feedback to the child that assists the child in learning.
申请公布号 US2003194691(A1) 申请公布日期 2003.10.16
申请号 US20020121797 申请日期 2002.04.15
申请人 JAMES DONNA 发明人 JAMES DONNA
分类号 B43L1/00;(IPC1-7):B43L1/00 主分类号 B43L1/00
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