There's also apps if your kids are into that... check out the Magnus Trainer (has much free content) : https://www.playmagnus.com/en https://www.playmagnus.com/

There's also apps if your kids are into that... check out the Magnus Trainer (has much free content) : https://www.playmagnus.com/en https://www.playmagnus.com/en It starts at a very easy level with the basics of chess.