Couple of very good kids games recently on this theme: https://www.thinkfun.com/products/dog-crimes/ https://www.thinkfun.com/products/dog-crimes/ and https://

Couple of very good kids games recently on this theme: https://www.thinkfun.com/products/dog-crimes/ https://www.thinkfun.com/products/dog-crimes/ and https://www.thinkfun.com/products/cat-crimes/ https://www.thinkfun.com/products/cat-crimes/ If you have a suitably interested child, this could provide a fun bridge to constraint based programming.