195201 ⎘
Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being in flexible strip form, e.g. endless bands
Math roll, an aid for displaying math information/facts
#2Math roll, an aid for displaying math information/facts on two semi-soft roll shapes, having a slightly deformable construction, that one rotates and positions by hand to access useful information/facts
#3EDUCATIONAL TOY SYSTEM
#4Learning tool
#5Selection apparatus