Aline Brandão: Found a few good deals here. If you are entitled to discounts (such as from the I amsterdam Card), prices might even be better than those seen at souvenir stores in central Amsterdam.
Aline Brandão: Narrates the history of the Zaan region as mainly an industrial hub. You might also find out a few local legends if you follow along with the free audioguide.
Aline Brandão: This exhibition shows the history of the Dutch chocolate/cookie brand, including the machinery that produces their goods. You even get a cookie sample at the end.
Aline Brandão: Hard to reach (about 1h by tram/bus from Amsterdam Centraal). Small, but pretty cute. Many activities for children, who'll probably not even mind that most information is in Dutch.