Bobbleheads can be traced back as early as the 1600s, but MLB nodders really cornered the market in the 1960s, the same decade the expansion Mets took the field. This long-necked player harkened back to bobbleheads of that era but wore a more contemporary black alternate jersey. Want to celebrate your love for these collectibles? Mark your calendar for January 7, National Bobblehead Day.
( C ) New York Mets (photo by Heritage Werks)