8.5x11" sheet of construction paper (w/pegholes along left) has attached 6.5x9.5" vellum sheet (w/paper backing) at center w/mixed media original art resembling a "Bedrock News" newspapers, its hand-lettered headline reading "Extra - Flintstone Invents The Wheel" and depicting Fred Flintstone holding his oversized "Flintstone Special" premium yo-yo. Additional image of Pebbles using yo-yo at bottom left w/"Pebbles Likes New Wheel Toy" headline. Bottom right has additional hand-lettered text reading "Get Your Special Yabba Dabba YoYo - Colorful Plastic Action Toy Complete With Spin Thread - Free Inside." 1970. Top margin has some glue staining as attached to sheet, but still VF overall. Unique. Comes w/"Creative Dummy Specifications" sheet dated "10/19/70". Top sheet is filled out in ink and has inked original art at center tape remnants at corners. Stat of art has been stapled to other sheet. Also comes w/photocopy of Flintstones premium checklist from Gold Premium International Co. Exc. From the archives of premium creators Sam & Gordon Gold and comes with LOA.