After the Stock Market crash, a buying and selling game created by Charles Darrow came to be. The first games were hand drawn on linoleum with streets from Atlantic City, N.J. as the property. He took the game to the Parker Brothers company, and Monopply was brought out for Christmas 1934. Everyone wanted to buy the games after Christmas, and Monopoly became a big success.
The first lawn mowers were not engine powered. Invented in 1830 by Edwin Budding of England, the mowers were turning blades on wooden sticks used to cut grass. Engine powered mowers were not invented until 1919 by an American Army colonel, who used the motor from a washing machine.
Alfred Noble patented dynamite in 1876. Nobel left $9 million in his will to be used as awards for people whose work benefit humanity - The Nobel Peace Prize etc.