The Rubik's Cube was released. Erno Rubik wanted to teach his kids about objects so he came up with the idea of the cube. There we over 43 quintillion ways to solve the cube, and since the over 100 million have been sold.
fashion - headbands and leg warmers. Leg warmers are not only keep warm for leg, they also become a part of Sportswear. I remember this period, many series of aerobic tranning video tape in which they worn leg warmer as the style of sport
Flashcubes - You slid a lever to spin the flash after EACH picture. 4 flashes on each bulb then that was it, you had to pop in another flash cube. No cube? No flash! I can still remember the smell they made after you flashed one.