Release Year: 1973 Produced by Milton Bradley * Original Cost: $2.00 Milton Bradley introduced Shrinky Dinks, a hobby that reduced artwork to tiny plastic trinkets, in 1973. These wonderful plastic sheets, which cost $2.00, inspired creative art projects.
Release Year: 1974 Creator: Ernő Rubik Initial Cost: Variable The Rubik's Cube, invented by Ernő Rubik, became a global phenomenon in 1974. Priced in different amounts, this difficult puzzle cube went viral. Puzzle fans were enthralled with the Rubik's Cube's twisting and turning layers, which provided hours of frustration and satisfaction.