Size--Size Approx is 2.68*2.68inch, weight is 130g, reasonable size for more easily carry
MATERIAL--Made of original and eco-friendly ABS material, non-toxic, reliable and lightweight, harmless to human and environment.
How to play-- Play it in a similar way to a magic Cube mixed with a slide-tile puzzle. There is a hole in the ball with no smaller ball inside, you can move a smaller ball to the empty hole, continue to mix up balls. Then You have to work out how to restore the color ball into orresponding color holes
Play easily and interesting for kids and adult, Colored balls can be moved smooth, can fully exercise the logical thinking ability of children's brain and hand coordination, and fully exercise the sensitivity of children of color.