MOVEMENT

• Walks alone (12-16 mos.)
• Pulls toys behind him while walking (13-16 mos.)
• Carries large toy or several toys while walking (12-15 mos.)
• Begins to run stiffly (16-18 mos.)
• Walks into ball (18-24 mos.)
• Climbs onto and down from furniture unsupported (16-24 mos.)
• Walks up and down stairs holding on to support (18-24 mos.)

HAND AND FINGER SKILLS

• Scribbles spontaneously (14-16 mos.)
• Turns over container to pour out contents (12-18 mos.)
• Builds tower of four blocks or more (20-24 mos.)

LANGUAGE

• Points to object or picture when it’s named for them (18-24 mos.)
• Recognizes names of familiar people, objects, and body parts (18-24 mos.)
• Says several single words (15-18 mos.)
• Uses two-word sentences (18-24 mos.)
• Follows simple, one-step instructions (14-18 mos.)
• Repeats words overheard in conversations (16-18 mos.)

COGNITIVE

• Finds objects even when hidden under 2 or 3 covers
• • Begins to sort shapes and colors (20-24 mos.)
• Begins make-believe play (20-24 mos.)

SOCIAL

• Imitates behavior of others, especially adults and older children (18-24 mos.)
• Increasingly enthusiastic about company or other children (20-24 mos.)
• Demonstrates increasing independence (18-24 mos.)
• Begins to show defiant behavior (18-24 mos.)
• Episodes of separation anxiety increase toward midyear, then fade