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1) Amazing balance intellect ball can improve your operation ability, balancing ability and comprehension of space effectively

2) Training a player's physical knowledge (mechanics, kinematics, spatial learning) in the unconscious

3) Turn the sphere for the little ball to move forward along the tracks in the order of numbers; try to reach the goal within the shortest possible time

4) Especially helpful to players who can't concentrate and therefore have difficulty in study

5) Kleur: As shown in the picture

6) Diameter: 195mm