Miss Skullnick's class finds the field trip to the Echo Creek Museum of Paper Clips boring, so Star volunteers to lead a trip to the Dimension of Wonders and Amazement. But when she lets the students do whatever they want, she puts the entire class i... (more)n danger. Meanwhile, Miss Skullnick visits an exhibit on troll history. When a yarn monster captures the class, Star and Miss Skullnick must work together to save them.