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 and a raised rim extending around the writing surface. A displaceable writing medium is held in the tool. Indicia, such as raised letters, are distributed along the rim. The tool includes scent-impregnated plastic. The indicia and scent provide additional sensory stimulus to the child that assists the child in learning.
申请公布号 US6884082(B1) 申请公布日期 2005.04.26
申请号 US20030673877 申请日期 2003.09.29
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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