Bolts and nuts

Bolts and Nuts is a logic puzzle? in which you have to unscrew bolts from planks?! Your task is to choose the right bolt to unscrew? so that you can unscrew all the planks ✌!
Compete with friends and colleagues ?! Earn points, complete levels ?. At first it will be easy to complete the levels, but each new level will be more difficult than the previous one?! Prove that you are a logical thought pro, complete all levels?!
Have a nice game ?!

Purpose of the game: This is to unscrew the bolts from the planks?! Unscrew all the bolts from the planks so that they fall to the bottom ?. Then you will pass the level?.