Bolts and Nuts in 3D!

This game is a logic puzzle. You need to unscrew the bolts from the planks! Your mission is to select the proper bolt to unscrew to be able to unscrew all the planks ! Challenge friends and co-workers ! Gain points, finish levels. At first, it will not be problematic to finish the levels, but every next level will be tougher than the last one! Show that you are a master of logical thinking, finish all levels! Have fun !