Applicable age: children (3-6 years old), infants and toddlers (0-2 years old), middle-aged (36-60 years old), youth (15-35 years old), elderly (61 years old and above), teenagers (7-14 years old)
Ability cultivation: emotional, visual, intellectual development, crawling, hands-on and brainpower, grasping, sensory, hand eye coordination, other ability cultivation, interactive toys, auditory, parent-child communication