2.   ,  . 1975 - 1980 .


 1975        ,               77-.
        ,        ,      .

     ,     ,      .   ,            ,   .

,   ,    (William Gustafson),     3081089   1958  (     1963-).    ,        : 2  2  2  3  3  3.
 1970     (Frank Fox)   3  3  3    . ,  ""   .      1974- (UK  1344259),           .
            .
,    1970-    (Larry Nichols)   2  2  2. ,     ,  1972  (U.S. patent 3655201).

   ,        170062  30  1975 ,        31  1977-,       2  2  2.
           (Terutoshi Ishige). 10  1976        3  3  3 (JP  55-8192),      2  2  2.

                ?   .
,      .   , , ,            .
     .          ,      Ideal Toy Corporation,          .
   , ,       .  ,           ,         .

  ,     1977-           .    ,      , ,  ,          .

         1978-,     .     " " (Buvuos Kocka). ,       ""  ""    .
 ,         ,             (Tibor Laczi).
          :           .                    Konsumex      .
      .  : "     ,       .    ,   ,         .   ,     .   ,      ".

  1979         (Nuremberg Toy Fair). ,     .       ,           ,  .
  ,              ,          (Tom Kremer).

        .        ,      Seven Towns Ltd.         . ,      , ,   ,     .

   :      ,             .         .

    ,      .        .  :      .     . ,        ,          .

,       .      (David Singmaster),            ,     ( 1979-).

  1979-      -      Ideal Toy Corporation (   CBS).
           ,        ,         .

      .      ,             .       ,         .
  -   ,    1980- " " (Magic Cube)       (Rubik's Cube).             .
     - 1980     .      , , -  ,       .      ,  ,      .

   5   ,       (Zsa Zsa Gabor).       .    1982-    100         .
      ,    .           .       , , -  .
