Our April preschool themes are full of fun and easy ideas to keep your preschoolers learning, exploring nature, and enjoying the beauty of springtime. For even more amazing theme ideas, make sure to check out our ultimate list of preschool themes. April Preschool Themes April provides us with the perfect opportunity to celebrate the Earth and how we can make it a more beautiful place to learn, play, and work. Many of the April themes revolve around nature and plants, including: Birds ThemeBugs and Insects ThemeEarth Day ThemeFlowers ThemeGarden ThemePond Life ThemeRain View Post