Meffer's Pocket Cube they have a slot on

they have a slot on two opposite sides through which vouchers or monetary gifts can be placed into the box without opening it

but its simple design presents a challenge even for experts

The key to unlocking these parts is to look closely at each part first

Find out and you will be able to open the box

Meffer's Pocket Cube they have a slot onThe "Pocket Cube" looks simple, but appearances can be deceiving. This inconspicuous 2x2 cube has an eccentric axis and movable cubes in two different sizes! This tricky puzzle will puzzle even the most experienced puzzlers. Rotate and solve to return the cube to its original shape. Dimensions: 6 x 6 x 6 cm Difficulty level: 6 out of 7