Bolts and Nuts in 3D!

This sport is a logic puzzle. It's a must to unscrew the bolts from the planks! Your task is to decide on the precise bolt to unscrew so to unscrew all the planks ! Compete with associates and colleagues ! Earn points, full ranges . At first, it is going to be easy to finish the degrees, but each new stage shall be tougher than the earlier one! Show that you are a professional at logical thinking, complete all the degrees! Benefit from the sport !