Kidstock Creative Theater 50 Cross St, Winchester, MA01890 Established in 1993, Kidstock Creative Theater is located on Cross Street between Winchester Center and the Stoneham…More border. Kidstock is a children's creative art center open year-round, offering programs and classes for children of all ages interested in the performing arts and theatre. During the school year, it offers after school programs that include classes in stage and movies. In the summer, there is an 11-week theatre camp for kids aged preschool through grade 10. Content of classes offered are based on age level. While younger students learn creativity, older students learn problem solving, public speaking and social interaction. Kidstock also offers outreach programs in support of the local community, holding classes and performances with schools in Winchester and the surrounding area.