John Henry loves technology but doesn't love doing his homework. If buttons and gadgets are not involved, he's not interested. When his teacher, Mr. Gellert, is replaced by a mega-computer, Johnny couldn't be happier. Then his steel-driving great-great-grandfather arrives for show-and-tell, and Johnny must take on the challenge of his life. April 7-May 16.

Event Cost: $10, $5 kids

Ages: Families with kids 8 and older, recommended