Educational display for learning grammar

摘要

The display has a disc having a test paper of 65mm on 120mm. A rotary disc has on its two aligned circular faces the verbs (5) of the first and second groups of the four simple examples of the indicative. A pocket receives the disc with a height of 105mm and 155mm width. The pocket has two precut tongues (8) on each face slightly raised and holding the test disc. The pocket can have a cut out (9) on each face to allow viewing the ends of the verbs (5) inscribed on the disc.