CHILDREN'S BOOKS
The original title of this 1900 classic included a gem; another working title mentioned a Plains state
The Wonderful Wizard of Oz
Invented in 1974 as a model to teach 3-D problems, it became one of the bestselling toys of all time
Rubik's Cube
This advertising icon who debuted in the 1950's is known as Pron-Tito in Spanish-speaking countries
Speedy Alka-Seltzer