Class Audio CD includes tracks for listening activities, songs and chants, and stories. Bold, beautiful and bursting with color! Packed with tools to learn! Backpack, brings to life a love of learning through songs and chants, stickers, and hands-on activities. Your students will want to speak English with Backpack and enjoy doing the fun-filled activities in the classroom! With seven levels, Backpack has a strong focus on grammar and writing and is packed with the latest trends and up to the minute technology, including Active Teach, for use in your classroom.