Complex sentence: The implants were placed in a plexiglass box and sold on the auction site eBay, and the revenues from the sale were given to a charity that works with victims of the war in Rwanda.
Split into simpler sentences: The implants were placed in a plexiglass box and sold on the auction site eBay, and the revenues from the sale were given to charity. The money from the auctioning was given to a charity that works with victims of the war in Rwanda.