Kendamas

 The ken has three cups and a spike which fits into the hole in the ball. The kendama is a variant of the classic cup-and-ball game. It is considered to be a Japanese skill game. The big thing to do with this toy is try and figure out how to do tricks with it. For example, One might flip it around and try and land the ball on the spike. 
Here is where to buy! https://shop.kendamausa.com/
Also, here is a video on some tricks that you can do. https://www.youtube.com/watch?v=iFiiXkonsXY