The big wheel was invented in 1969 , here's a link http://www.retroland.com/pages/retropedia/toys/item/2409/
In 1975, the laser printer and the first digital camera were invented. That was the year the push-through tab on drink cans was invented.
it was introduced in the year 1975 and invented byMITS Altair
1969
In the year 1975, first prepaid phone cards, telephone cards or calling card were invented by SIDA Company .
Are you talking about the green big-wheel type kid's toy? If that's what you are asking about, I know that it was before 1975.
1975
Sony
1975
It is believed that the wheel and axle were invented around 4000 B.C. There is no way to tell exactly which year they were invented, but they do show up in carvings from that era.
1975
october 4th 1975 the telescope was invented and the event officialy began the space age because of the launch of the first satillite by USSR
Lyme disease was first identified in 1975 in Lyme, Connecticut.