Kendama USA - Pro Model - Zack Yourd - Brown - Extra String - Strengthens Hand and Eye Coordination - Lightweight Kendama USA is America's Original & Most Trusted Kendama Source Kendama is an active traditional Japanese game that builds hand-eye coordination, balance, reflex, & creativity. Great for all ages, young and old alike. There are endless trick possibilities for both the beginner and the seasoned master! High quality Kendama stands 7 inches tall and can be used for both left & right handed players. No Batteries Required! Every Pro Model Kendama includes an instruction manual, stickers, replacement string and bead and stringing tool