THE LABWORLD Mathematics kit model for lab circumference of circle by rolling it on a straight line and finding relation circumference=piex diameter Ruler  (Set of 1, Multicolor)

Math kit model for lab circumference of circle by rolling it on a straight line and finding relation circumference=piex diameter.This working movable model demonstrates the relation between the circumference of a circle and diameter.It also show helps the teachers to show to students what does the pie circumference and diameter.It helps to understand what is value of pie and what it means.It is a must have teaching aid in classroom,lab or home for students to understand the difficult concept of mathematics and clears their confusion about pie.size 32x 20 cm with rollers tooth racked for easy rolling to teach the value of pie and its relation. It is first of its kind creative and innovative model for mathematics which are working and produces the interest of kids in classroom or lab and helps the teachers with instruction manual.