With a name like Kryptonite and knowing that it comes from the mind of Laszlo Molnar, I think it a safe bet this one is a challenge. Or in this case six challenges. Nine pieces can be inserted into the restricted opening box in a variety of way. Of course, rotations may be required! More of these are coming too!
NOTE; The Sucupira version is rather heavy.
Size: 2.25" x 2.25" x 2.25" (5.7cm x 5.7cm x 5.7cm)
Designer: Laszlo Molnar