This 3-in-1 instrument measures length (inches or centimeters), and draws perfect circles, triangles and other patterns. Constructed of ABS plastic. Shatter resistant. Ideal for all classrooms- Safe compass has no sharp points. Set of 10.
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My 14 year old grandson needed this for his Geometry … My 14 year old grandson needed this for his Geometry class and he says it is helpful when he has to do homework assignments.
I bought these for my Earth Science classroom. After … I bought these for my Earth Science classroom. After the first couple uses the slider no longer stays in place while using it making the circles incorrect.
Not bad Ordered a set for class, worked great until slider started loosening. The red slider does not lock, it stays in place by friction. I was about to throw them away but we figured out that by squeezing the underside of the slider and snapping them back in place it worked fine. So maintenance is definitely required to keep these guys working properly. Will order more, the price is very good.