The Small Box Block R is a cuboid version of the Block puzzle boxes by Osamu Kasho of Japan.
There is a grid pattern and no obvious movements to the box that might open it, will you be able to work it out?
The solution for Block R is similar to Block C.
Made from Magnolia and Walnut the box measures 60 x 60 x 45mm with an internal storage area of 35 x 50 x 35mm.
The solution is included.