To provide a game toy which is played not only by bringing a small piece member close to the game board but also by letting the small piece member or the game board read the data previously stored in the other to develop a game based on the data read by them so that an expansible game can be expected.

Prescribed data are previously stored at prescribed positions on the game board 1 of this game toy, and responding means 6 for sending the stored data are installed on the game board 1. A small piece member 2 relating to the game board 1 makes the responding means 6 send the data stored in the response means 6, and has a reading means 7 for reading the data sent by the responding means 6 and a condition changing means 8 for changing the condition of the small piece member 2 based on the data read by the reading means 7.