Childhood development
6 months Object permanence
9 months Uses a fork
1 year Rolls from tummy to back
18 months Pincer grasp
24 months Social smile
36 months Two-word statements
2 months -> Social smile
6 months -> Rolls from tummy to back
9 months -> Object permanence
1 year -> Pincer grasp
18 months -> Mimics chores
24 months -> Two-word statements
36 months -> Uses a fork