Reversi / Othello
25 cm x 25 cm
翻转棋
The game Reversi was invented in 1883 by either of two Englishmen (each claiming the other a fraud), Lewis Waterman or John W. Mollett (or perhaps earlier by someone else entirely), and gained considerable popularity in England at the end of the nineteenth century
https://en.wikipedia.org/wiki/Reversi
This game has great entertainment value and suitable for age 4 and above.