World Explorers 1 Class Book + Class Audio CDs + Activity Book + Teachers book + 1 Photocopiables + Songs CD + 12 WorksheetsWorld Explorers 1 Class Book + Class Audio CDs + Activity Book + Teachers book + 1 Photocopiables + Songs CD + 12 Worksheets ♻World Explorers 2 Class Book + Class Audio CDs + Activity Book