Rainbow Brite Dolls
Rainbow Brite was created in 1983 by Hallmark Cards. The following year, an animated series of the same name first aired. Individually, Rainbow Brite toys sell for around $300. The addition of accessories can hike up costs to upward of $1,000.
Vintage Atari Catridges
Nobody believed it at the time, but the bizarre urban legend surrounding Atari game cartridges was proven true. In 1983, Atari buried hundreds of its game cartridges in the Chihuahuan Desert in New Mexico. 881 of the cartridges were recovered and sold for $107,000. Atari game cartridges can sell for hundreds of dollars on eBay.