Stopwatch is a six-level series for teenagers, offering different entry levels and developing skills up to B1 of the CEFR. Each level covers 90-120 hours of classroom instruction, with additional materials in the Teacher’s Toolkit. Students will reinforce visual literacy, critical thinking, cultural awareness, vocabulary, and grammar in realistic contexts. The series includes authentic topics, practice opportunities, and hands-on projects in both printed and digital formats. Key features include strong visual components, spiraled language development, and a wide range of cultural topics from around the world.