Observations about my cat 豆豆：

gets bored easily with existing toys

likes chasing after string

likes furry things

uses teeth (material that withstands biting?)

colors (what can my cat actually see)- blue yellow green gray

breaks toys easily (soft toy ofc)

likes chasing after shadows

likes sounds (bells)

likes birds, rats, etc (small animals)

likes sleeping and eating

likes being next to people

likes laying on fluffy blanket

smell

feathers

scratches