magical ball 3D 3-D intellectual challenge puzzle toys

+ custom made packaging design is welcome

object of the game:
Hold and turn the see-through plastic sphere to move a metal ball inside of the sphere from barrier 1 to barrier 100 the final. The track for the metal ball is very curvy plus up&down turns. The player must to have very steady hands, hold smooth breath and pay 100% concentration in order to keep the metal ball from falling down from the track and pass the turning points as many as possible. Challenge between friends and family members can be fun for hours.  

key features:
+ right-brain training
+ improve concentration
+ build up patience
+ enhance comprehension of space and control
+ no battery is required
+ size 19x18x 18cm (other sizes are available)
+ weight 400g
+ contains brand.
+ plastic colours inside of the sphere may vary from one to one in the same carton.

packaging:
+ colour window box size 19 x 18 x 18 cm
+ colour English and Chinese manual

A supper interesting and highly recommended game for right-brain training and concentration enhancement. Suitable for all ages.