Final answer:
Understanding developmental milestones is crucial for selecting appropriate toys, reducing frustration, and being alert for red flags.
Explanation:
Knowing about developmental milestones helps us in various ways:
- Select the toys and materials that each age will enjoy and learn from best.
- Reduce frustration for children and adults by avoiding inappropriate activities.
- Be alert for developmental milestones 'red flags' to get children help promptly.
Learn more about Developmental Milestones here:
https://brainly.com/question/43986642