【Product Contents】 This set includes educational CDs and a DVD for children. Each CD corresponds to a different unit and is helpful for English learning. 【Unit Details】 - CD-1: STEP Dolphin (Unit 1) - CD-2: STEP 3 (Units 4-6) - CD-3: STEP 3 (Units 7-8) - DVD: STEP 3 【Target Age】 This educational material is designed for preschool children to elementary school students. It supports learning with fun characters and music. - Type: CD/DVD Set - Title: STEP 3 - Units: Unit 1-8 - Contents: CD-1: STEP Dolphin, CD-2: STEP 3 Units 4-6, CD-3: STEP 3 Units 7-8, DVD: STEP 3 Thank you for viewing.