jack in the box/doll in the box/magic box promotional gift/party surprise CE ROHS FCC ISO9001:2008 jack in the box/doll box/magic box--black bearA jack-in-the-box is a children's toy that outwardly consists of a box with a crank. When the crank is turned, it plays a melody, often "Pop Goes the Weasel". At the end of the tune there is a "surprise": the lid pops open and a figure, usually a clown ...