This is the 100 Floors Walkthrough for the level 11 until level 20
Roll the ball into the hole
Tapping the red button until lamp turn to green
Shake your gadget until the hammer released from box, use the hammer to break wall
Hold on finger print scanner until all light turn green.
Tap number 1643
Choose screwdriver, put off four corner screws, move the board away. shake your phone upside down.
Move the marble to the left button 1 time right button 2 time left button 3 time and right button 2 time (left-right-right-left-left-left-right-right)
Tap all the number quickly start from 1 to 5
Clean the window using red cloth
Move the wet floor sign, pick screw and put in hole then use screwdriver to rotate