Lot of three 8x10x2" deep boxed math sets by Jacmar, 1950s. All three are battery-operated quiz games w/interior cardboard platform having light bulb and pair of wires w/wire clips and question/answer cards. Sets include - "Magic Adder, Magic Subtractor" and "Magic Multiplier." All are complete and working, old store stock. Contents are Exc. Boxes have scattered corner tip wear but are VF-Exc. overall. Comes w/7.75x16x1.5" box which contains complete and unused set No. 6302 by Russell Mfg. Co. ©1963 WDP. Box bottom remains factory-sealed and die-cut insert holds five different individually boxed card games. Three are the same small-size card decks found in the Library of Games set and these are for Mickey Mouse, Donald Duck and Pinocchio. The other two are standard-size card deck games for Pinocchio and Ludwig Von Drake. Some cards are loose from boxes, but all is Mint as issued. Box has lt. corner tip wear but is o/w Exc.