Very Satisfying Shackman Fraction Learner Set, Complete with Spinner, 1960s screen shot 4 1/4" long x 1

4 1/4" long x 1 1/2" wide with some roughness to the end of the handle

And earned a Ph

" executed at 1/4 life-size scale

and this one has that quality

some smudges

Very Satisfying Shackman Fraction Learner Set, Complete with Spinner, 1960s screen shot 4 1/4" long x 1I've had just a couple of these Shackman "Fraction Learner" sets over the years and will always scoop them up when I come across them. Definitely an excellent tool for teaching fractions as portions of a whole, with six circles divided up into differently sized slices, and a corresponding spinner to direct activity but also just excellent aesthetically and design wise, and there is great pleasure in mixing and matching the segments comprising each