It is the official app of Yamagata workshop that manufactures and sells the competition Kendama sky in Yamagata Prefecture Nagai.
 
It is the official application of Yamagata Koubou, which manufactures and sells OZORA KENDAMA for competition.
 
 
[Function of app]
- News (NEWS)
· Kendama basic explanation of (BASIC DESCRIPTION)
· Technique of commentary video (HOW TO)
And certification table (LEVEL SKILL)
(Each level you can practice while watching the videos for each)
Event information (EVENT)
And video channel (MOVIE)
Coupon (COUPON)
(Get membership will receive a coupon that can be used in the online shop)
- Registration (MEMBER REGISTRATION)
- Friend (INTRODUCE FRIENDS)
There available