| UNIT 01 | What's in your name?
| UNIT 02 | The Alphabet
| UNIT 03 | Happy Birthday!
| UNIT 04 | Birthday Goodies
| UNIT 05 | Where Is It?
| UNIT 06 | Your Eyes Play Tricks
| UNIT 07 | I Am Late!
| UNIT 08 | What's For Breakfast?
| UNIT 09 | Who Will Help Me?
| UNIT 10 | Animals' Sleep
| UNIT 11 | Weather
| UNIT 12 | Let's Play with Tangram
| UNIT 13 | What a Team!
| UNIT 14 | Camouflage
| UNIT 15 | Winter Carnival
| UNIT 16 | What's for Lunch?
| UNIT 17 | Will It Sink or Float?
| UNIT 18 | Discover Matter
| UNIT 19 | The Story of Ayo
| UNIT 20 | How to Make Clean Water
부록
Workbook, 정답 및 해설 (별책)
MP3 CD 1장