EDUCATIONAL TOY ADDING MACHINE

摘要

An educational toy adding machine having a plurality of rotatable discs with indicia on one face thereof viewable through windows in the housing of the machine. Driver discs coaxially mounted and rotatable with the viewed discs have pins extending outwardly from the face thereof. A driving spindle is biased upwardly above the pins on the driven discs. A large key extends through said housing and contacts the upper end of the spindle. The upper surface of the spindle in inclined so that depression of the key moves the spindle downwardly and laterally so as to contact said pins.