- Korben holds a bottle with both hands
- Korben lifts and drops blocks
- Korben sits with little support
- Korben utters several additional consonants
- Korben shouts for attention
- Korben is soothed by music
- Korben gazes at an object
- Korben turns his head freely
- Korben smiles at himself in mirror
- Korben vocalizes pleasure and displeasure
