10.5x17" by Hasbro, ©1966 NPP. Set #3670. Box art features Batman and Robin with die-cut area between them revealing coloring pages. Contains 6 color pencils and 6 bw pictures to color. Still sealed in original shrinkwrap. Main box panel has some st. warping due to tightness of shrinkwrap but is in great Exc. condition with Mint, unused contents. Typically found with structural problems to box corners due to its construction, this set has held up much nicer. See larger coloring set, following item #2324. From the Craig Warren Collection.