With the operation cylinders the child learns in which way to understand the difference between width and height. The children find easily the start of word lessons with the operation cylinders,e.g narrow, narrower, wide, wider Examples of using: The inserts are taken from 1 cylinder block. Now it is the duty of the child to add it again in the operation cylinder block Control check: The inserts only match to the provided bores. The article is composed of 1 operation cylinder block + 10 inserts, same diameter, height can be increased; 1 operation cylinder block + 10 inserts, diameter increasing, height consistently; 1 operation cylinder block + 10 inserts, diameter and height increasing; 1 operation cylinder block + 10 inserts, diameter and height declining Material: wood, varnished Proportions: operation cylinder block, approx. 45,5 x 7,5 x 6,5 cm
Orders are at the moment only possible on our german homepage. For more details look at operation cylinder block, complete, set of 4 pieces at our german homepage.