Good head control
2-3 months
Rolls back to front
5-6 months
Sits alone (tripod)
11-12 months
Pulls to stand
9-10 months
Stands alone
11-12 months
Walks
12-14 months
Walks up and down stairs
22-24 months
Jumps
24-28 months
Grasps and shakes rattle
2-3 months
Reaches for object
3-4 months
Hand-to-hand transfer
5-6 months
raking grasp
6-7 months
finger grasp
7-9 months
pincer grasp
8-10 months
Marks on paper
10-12 months
Stacks 3 blocks
17-18 months
Stacks 6-7 blocks
22-24 months
smiles and coos
2-3 months
Laughs
4-5 months
Babbles
5-6 months
mama-dada
8-9 months
Waves bye-bye
8-9 months
Understands "no
9-10 months
Points to body parts
15-18 months
2 word sentences
18-22 months
30 to 50 word vocabulary
22-24 months