Series
| Series Name | Release Date | Product Count |
|---|---|---|
| What's Inside Me? | 2022-01-01 | 7 |
| What's Up with Water? | 2021-01-01 | 5 |
| Where Does It Come From? | 2020-07-06 | 19 |
| Where Does It Go? | 2020-07-06 | 4 |
| Which Came First? | 2006-01-01 | 1 |
| Who Eats What? | 2016-01-01 | 13 |
| Who Helps? | 2017-08-01 | 6 |
| Whole Wide World | 2021-01-01 | 9 |
| Who Lives Here? | 2018-01-01 | 7 |
| Whose Little Baby Are You? | 2015-07-01 | 0 |
| Whose Poo? | 2020-08-01 | 5 |
| Who's Hoo? Owls! | 2023-08-01 | 7 |
| Why Do Animals… | 2016-08-01 | 8 |
| Why Does My Body Do That? (set 2) | 2023-01-01 | 7 |
| Wild About Animals | 2019-08-01 | 35 |
| Wild About Cats! | 2024-01-01 | 7 |
| Wild Animal Families | 2024-01-01 | 1 |
| Wild Baby Animals | 2011-01-01 | 8 |
| Wild Canine Pups | 2013-08-01 | 9 |
| Wildlife Survival | 2020-08-01 | 5 |
| Wildlife Watchers | 2018-07-15 | 0 |
| Women in Science and Technology | 2021-01-04 | 4 |
| Women in Sports | 2020-08-01 | 6 |
| Women in STEM | 2024-01-01 | 1 |