Yonala Crack Paint Kendama Wooden Ball For Adult Children Black Material: Wood / Beech crack paint Type: Juggling Ball Diameter: 6cm,Length: 18.5cm,Beakers 4.3cm small cup 3.8cm These Kendama's have been made with the Best Quality of wood and paint available for toys, for longer lasting play. For All ages 6 and older. Please make sure that Kendama is used with Care! Since the ball is loose on a string, the ball can be dangerous if toy is held too close to body or next to others.