Patent ID: 6836973

Claim:
A multi-sectional level comprising: (a) a plurality of sections, each section having two ends, a first end and a second end, each section having a height and a width that are the same, each section having two surfaces, a top surface and a bottom surface, each section also having a depth, the first end and second end of each section being pivotally attached to adjacent sections, except for the two sections located on either end of the plurality of sections, which are attached to only one adjacent section, (b) a hollowed-out circle located in the middle of each section, (c) a plurality of cylinders, each cylinder having two ends, a first end and a second end, the first end and the second end of each cylinder fixedly attached to the perimeter of a particular hollowed-out circle, (d) a volume of fluid located within each cylinder, (e) a bubble located within each volume of fluid, (f) means for placing the plurality of sections into a straight line.