5 cylinders in different sizes on wooden blocks.Each cylinder measures regularly graduated and holds only one cylinder in a specific hole in one block We understand the movement of the cylinders into the correct hole and the change in size of the cylinder.
Purpose:
The cylinder knob is held on the three fingers of your dominant hand.(This will lead to the correct pencil holding method. By looking at and holding the teaching tools, experiencing the size and weight of the product, you can experience the amount of previous measurements.(It will help you understand the decadence of math education. )
Material: Wood (beech wood)
Dimensions: Base 5.9 x 1.6 x 1.4 inches (14.9 x 4 x 3.5
Knobs: 0.6 x 0.8 inches (1.5
Please note that minor changes may be made without prior notice.
In rare cases, there may be some pinch of adhesive remover.
(It is based on the amount required for ensuring strength, but those that exceed the standards have been seen during inspection are used (almost new) as an outlet product.)
■ Glue removal has been processed to strict standards in the final process, so it is possible to differentiate it from a generic similar product even when it comes to appearance quality.