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A hardwood frame with 4 rows of colour-coded beads representing units
grading and seriation—indirect preparation for mathematics
A wooden hinged box with lid containing 5 wooden rectangular prisms with yellow finish and ruled with lines and squares
This set includes 5 pairs of graded square wood boards and 3 rectangular wood boards with sandpaper on them (one with a rough square
Diameter: about 2 cm
Knobless Cylinders (Mini) mathematics A hardwood frame with 4Four sets of five colourful cylinders varying in height and or diameter in each set. The purpose of this material is to develop child's visual perception of dimension. It also provide experiences in comparison, grading, and seriationindirect preparation for mathematics. Features Mini Homeschool size. Cylinder heights and diameters range from 1 cm to 3 cm with increments of 0. 5 cm. Recommended ages: 35 years.
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