Related abilities
Is interested in interacting with others, e.g. peek-a-boo (7-9 months)
Moves in and out of various positions, e.g. sitting, tummy, and hands and knees
Uses both hands equally to play with toys (7-9 months)
Enjoys playing with musical toys (7-9 months)
Enjoys playing with toys of varied textures (7-9 months)
Is interested in playing with colorful objects
Is generally happy when not hungry or tired (7-9 months)