, also known as The Green Music Box, is a 1955 color Japanese film directed by Umetsugu Inoue.
A musical action film for children, this is the first feature-length theatrical film shot in Konicolor. It is based on the eponymous novel by Makoto Hojo, and marked the debut of 14-year-old Ruriko Asaoka, who plays a girl on the run from a spy ring trying to steal her father's scientific secrets.