The present invention relates to an intelligent toy ball, comprising a
transparent sphere, a ball bearing bracket enclosed inside the sphere, a
colored ball bearing, and two retaining rings that are enveloped on the
ball bearing bracket to position the sphere, wherein the ball bearing
bracket is provided with a continuous, curved figure-8 track, such that
the ball bearing can roll inside the track, and when a user holds the
sphere with two hands, he/she can continuously change his/her hand
position to facilitate the dual use of hands and brain for educational
and entertainment purposes.