1권
| 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

2권
| UNIT 01 | We Are Twins
| UNIT 02 | Fingerprints
| UNIT 03 | A Perfect Shell
| UNIT 04 | Homes around the World
| UNIT 05 | Home Alone
| UNIT 06 | Big Game
| UNIT 07 | Achoo!
| UNIT 08 | Soups in Asia
| UNIT 09 | Why Do Elephants Have a Trunk?
| UNIT 10 | Elephant Trunk
| UNIT 11 | We’re Not Afraid
| UNIT 12 | Field Trip
| UNIT 13 | No More Bullies!
| UNIT 14 | Netiquette
| UNIT 15 | Animal Teeth
| UNIT 16 | Some Animals Lay Eggs
| UNIT 17 | Night Walk
| UNIT 18 | Star Jar
| UNIT 19 | A Story of Abdul
| UNIT 20 | Working Children


3권
| UNIT 01 | Scary Night
| UNIT 02 | The Laser Maze
| UNIT 03 | My Best Birthday
| UNIT 04 | We Love and Care
| UNIT 05 | The Treehouse
| UNIT 06 | Pizza for Kings and Queens
| UNIT 07 | We Are Friends
| UNIT 08 | Save the Tigers
| UNIT 09 | Fly’s First Flight
| UNIT 10 | A Horrible Swimmer
| UNIT 11 | Up
| UNIT 12 | Energy
| UNIT 13 | Not Impossible
| UNIT 14 | Technology
| UNIT 15 | 3-D Movies
| UNIT 16 | Social Media
| UNIT 17 | Hobbies
| UNIT 18 | History of Money
| UNIT 19 | Matt’s Pancakes
| UNIT 20 | Kitchen Chemistry