I was a child at the age to play those board-games in the 1950s. Thus I can testify that High Plains Digger is correct in two of his guesses.
The two are:
The black plastic disc with a crown on its center is definitely from the game of Checkers. The other side of the disc lacks the crown. In the 1950s I played checkers using gamepieces which were absolutely-identical to that one.
Those are indeed the Monopoly game's houses & hotels, from the 1930s-to-about-1950, before the wooden ones were replaced with molded plastic ones. In doing research for this reply, I found a Monopoly game for sale on Ebay, said to be from the 1950s, which has the wooden houses & hotels. The photo below is from that Ebay auction.
http://www.ebay.com/itm/Vintage-195...042?pt=LH_DefaultDomain_0&hash=item2c5f0cb00a
The large green plastic discs with ray-shaped ridges around the disc's edge are poker-chips. Even though I haven't played Poker in about 25 years, I still own some 100%-identical chips. They came in the colors of red, blue, green, and white, to represent different dollar-denominations (or in my house, pennies, nickles, dimes, and quarters).
The six-armed grey metal object is a Jack from the game Balls-&-Jacks. It is probably also from about the 1940s/50s, because although the jack's form hasn't changed since then, the ones from more recent decades come in various colors instead of just plain grey metal.
The simple plain unpainted wooden "Hershey's Kiss" with a knob on top is very probably a Pawn from an ultra-cheap Chess game.
Hill Billy is probably correct in thinking that the similar knob-topped pieces are from the Pollyanna game, or one similar to it. The Pollyanna game had nearly-identical red, yellow, green, and blue pieces. Several versions of Pollyanna game are for sale on Ebay, but I couldn't find any whose pieces
exactly match the very-similar pieces posted by Bradyboy.
Here's the photo of the 1930s-to-about-1950 wooden Monopoly houses & hotels.