(plastic, 3.25 inches)
A Rubik's 2x2x2 with a smooth internal mechanism patented by S. Khoudary 2000. It has been made with different graphics besides the "K8" graphics shown on the two balls above; here is an example:
(plastic, 3.25 inches;
on one section "K-Ball" is molded into the plastic near the point
and near the opposite side of that section,
"World Patents WO0025874 Made in China")
Khoudry International Patent, IP25874.