This is a box with not just one or two sliders, but 24 sliders,  four on each side. Not hidden sliders, not only quite visible, but with another piece sticking out, to help you move them. Four of the sides are overlapped at one end, so, are these four the top, bottom, front and back, or the front, back, left and right, or the top, bottom, left and right? No way of telling. Every slider must be moved, either inwards or outwards to open the box, but there's only one that will move to start with. 24 moves to open the box, but hard to find those moves. This box is made from 1/8" plywood.

Outside dimensions: 4 1/4" length, 4 1/4" width, 4 1/4" depth

Inside dimensions: 3 1/4" length, 3 1/4" width, 3 1/4" depth