Pythagoras Board

A framed red wooden board labelled 1-10 across & 1-10 down. A wooden box in two compartments containing small wooden tiles.  The child chooses a wooden answer chip, thinks of a multiplication equation that produces this product, then places the chip in the correct position on the ruled board.  The material consists of printed wooden answer chips stored in a wooden box with lid & a wooden board with 100 squares printed on it.