Time Teacher's Manual Clock, Each

This manual clock is an excellent teaching tool that has a unique manual friction geared movement instead of a quartz one. Complete with four interchangeable time faces which enable children to progress from simple to more advanced time concepts. Double-sided cards for Arabic numbers or Roman numerals show 12 hour numerals (1 to 12), 24 hour numerals (13-24), Roman numerals (I to XII), words (five past to o'clock).