In a very rare stroke of luck, 11 winning million-dollar Powerball tickets were drawn in Louisiana last week, according to state lottery organizers. Six people won $2 million in the April 29 drawing and another five people won $1 million. Ten of the winning tickets were listed as unclaimed as of Tuesday.

When the weather’s bad and there’s no prospect of a trip to the park, we might well reach for crayons, pencils and paper as a way to keep our children entertained. But drawing is much more than a fun activity. It has wide-ranging benefits for children ...