Rainbow Brite Doll
Average original price: $7
Potential earnings: $100
In the 1980s, the Strawberry Shortcake Dolls faced serious competition – the Rainbow Brite Doll. This little girl came out on June 27, 1984, and was worth only $7 at the time. Now you could earn up to $100 for it! The Rainbow Brite Doll is a creative, kind girl who brings happiness to others by using the colors of the Rainbow, and you can easily make some cash if you have one of these lying around at home.