Series
| Series Name | Release Date | Product Count |
|---|---|---|
| Abandoned Places | 2017-08-01 | 12 |
| Action Sports | 2008-01-01 | 23 |
| Adventures in Unplugged Coding | 2023-08-01 | 9 |
| A Healthy Life | 2022-01-01 | 8 |
| Amazing Animal Classes | 2022-08-01 | 8 |
| Amazing Animal Parts | 2024-01-01 | 7 |
| Amazing Snakes! | 2014-01-01 | 13 |
| Amazing Trains | 2017-08-01 | 7 |
| American Presidents | 2021-08-01 | 16 |
| Ancient Civilizations | 2020-01-01 | 10 |
| Ancient Marine Life | 2023-08-01 | 11 |
| Animal Attacks | 2012-08-01 | 10 |
| Animal Battles | 2020-01-01 | 42 |
| Animal Classes | 2012-08-01 | 8 |
| Animal Colors | 2018-08-01 | 7 |
| Animal Life Cycles | 2021-01-01 | 7 |
| Animal Safari | 2015-08-01 | 55 |
| Animals at Risk | 2022-01-01 | 25 |
| Animals in My Yard | 2020-08-01 | 20 |
| Animals of the Arctic | 2019-01-01 | 11 |
| Animals of the Coral Reef | 2020-01-01 | 5 |
| Animals of the Coral Reefs | 2020-01-01 | 6 |
| Animals of the Desert | 2019-01-01 | 11 |
| Animals of the Forest | 2020-01-01 | 11 |