CHILDREN INTELLIGENCE DEVELOPING DEVICE

The utility model relates to a toy for arithmetic practice and learning words. The utility model provides a children's toy for four arithmetic operations in arithmetic and for learning words with pictures, having the function of self-correction for operational results. The utility model is prov...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CAI SHUSEN
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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