Show that you are the sharpest tool in the box by solving the 80 different challenges. Nuts and bolts of this game is to fit all 13 screws completely into the transparent cube, without them blocking each other. A cube-shaped puzzle game fit for both kids and adults. Do you have the brain-tools you need for this challenge?

1 cube, 4 short red bolts, 4 medium yellow bolts, 5 long blue bolts, challenge booklet with 80 3D challenges and solutions.