STEM (Science, technology, engineering, and Math) sets the foundation for future learning.  A report showed that STEM subjects are just as important as acquiring literacy skills at a young age.  

The benefits of teaching these subjects include:

• Improved language skills
• Develops core literacy and comprehension skills
• Promotes communication and problem-solving skills
• Encourages independent and critical thinking skills
• Boosts retention
• Increased vocabulary and encourages conversations
• Teaches the importance of making connections
• Develops inference and cause and effect skills
• Fosters their curiosity and explorative nature
• Encourages play and experimentation
• Promotes teamwork and collaboration
• Ability to relate their learning to real world experiences

Further resources:

https://www.baker.edu/about/get-to-know-us/blog/stem-benefits-in-early-education/

https://www.paperpinecone.com/blog/10-reasons-why-stem-important-preschool