The Kendama is a traditional Japanese skill sport instrument, comparable to a yo-yo, diabolo, or juggling equipment. It is designed and marketed as a dexterity training tool and precision sport equipment for teenagers and adult practitioners. Industry context: There are established professional Kendama competitions worldwide (e.g., Kendama World Cup, held annually in Japan since 2014) Major brands like Kendama USA, Sweets Kendamas, and Global Kendama Network market exclusively to teens and adults The product requires significant hand-eye coordination, practice, and motor skills typically developed by users aged 14 and above