Developmental Milestones Checklist: What changes should you expect as your child grows?
This milestone chart can help you check your child's development against common milestones.
18 to 21 months
Watching the world closely. At this age, toddlers are imitating others. You'll find them copying day-to-day tasks such as brushing hair, or cleaning activities. You may also find them using objects for new purposes, such as using a toothbrush as a brush for their stuffed animal.
Check the box on each line that mentions at least two activities your child is doing, then click Tell me more.