Knobless Cylinder Set contains four boxes with 10 color cylinders that vary in height and diameter in 4 colors (red, blue, yellow, and green).
Yellow set: Cylinders vary in height and diameter.
The green set: Cylinders vary in height and diameter.
The Red set: diameter decreases as the height remains constant.
The blue set: height decreases as the diameter remains constant.
Knobless Cylinder helps:
- Develop the kid's visual perception of dimension.
- Develop the kid's coordination of movement and fine motor control.
- Prepare the kid, indirectly, for mathematics by giving the kid experiences in comparison, grading, and seriation with varying combinations of forty cylinders.
- Provide primary language -important in mathematics.
Warning: requires adult supervision