My Little Pony Dolls
Average original price: $13
Potential earnings: $900

In the ’80s, The United States sold 150 million little ponies for approximately $13 each. The demand for them was insane. Every little girl begged her parents to buy her a little pony. The toy was loved for its unique design and beautiful colors. Today, My Little Pony Dolls are still popular among young girls, and their value continues to grow. You can expect to earn $900 for the vintage one in its original box.