MicroPuzzles make an ideal gift and a fun surprise. Material(s): Printed recycled card stock Age/Size/Player Range etc.: Ages 8 and up Product Dimensions Out of Packaging in inches: 4" x 6" x .018" Key Features: One Hundred and Fifty piece miniature jigsaw puzzle Four inches by six inches finished size Challenging but NOT overwhelming. Can be assembled in a single, fun, one to two-hour session Puzzle Pack Key Features: Eighty piece miniature jigsaw puzzle Five inches by seven inches finished size Challenging but NOT overwhelming. Can be assembled in a single, fun, one to two-hour session