Mini puzzles -- The Micro jigsaw puzzles are manufactured with recycled cardboard paper. Compared with other puzzles, they are very small, mini and tiny puzzles. 150 pieces puzzles are the smallest of the puzzle in the world, very challenging and difficult puzzles. Jigsaw puzzles 150 pieces -- puzzles for adults are include 4 pcs separate test tube packaging, each puzzle with 150 pieces. Each pieces puzzles smaller than your finger. This set of jigsaw puzzle completed size: 6 x 4 in/15 x 10 cm (Not including frame). Small Mini puzzles -- The small jigsaw puzzles for adults consists with 1:1 puzzles poster for reference. Postcard design on the backside of small puzzles. Finished micro puzzles, you can write a blessing on the back and send it to your favorite person. Ideal compansion for travel --- This little puzzles for adults are stored in a sturdy plastic test tube. Small size is easy to carry, and takes next to no space. you can do relaxing small jigsaw Puzzle in the office or classroom during lunch break. Also complete them on a train or plane while traveling. It can be used as a toy or as a gift (Birthday, Graduation, Easter, Thanksgiving, Valentine's day, Halloween, Christmas, New Year day and other events etc.) Educational & Entertaining --- It could provide you hours of fun and entertainment piecing this incredible jigsaw puzzle together. Puzzle play promotes the development of fine motor skills, problem-solving abilities, and hand-eye coordination. Small package, big fun. Not only small puzzles are fun and a great stocking stuffer, christmas gifts or Easter basket filler. ASIN B0F6LD2GJJ Size 6 x 4 inches Color Mountains Beach Landscape Theme Beach Set Name 4 Packs Brand Name MISITU Item Shape Rectangular Unit Count 600.0 Count Item Weight 0.17 Kilograms Puzzle Type Assembly & Disassembly Skill Level Beginner Manufacturer MISITU Material Type Cardboard Product Style Modern Operation Mode manual Item Dimensions 6 x 4 x 0.1 inches Number of Items 1 Number of Pieces 150 Number of Players 1+ Subject Character Mountains Landscape Beach Scenery Additional Features Portable Included Components 4 x 1:1 Poster for Reference, 4 x Small Jigsaw Puzzles total 600 Pieces(Mini Micro Tiny Pieces) Is Assembly Required Yes Age Range Description Adult, Teen Educational Objective Brain Teaser, Concentration Skill, Creative Thinking, Dexterity, Hand-Eye Coordination, Logical Thinking, Patience Skill, Problem Solving Skill Item Dimensions L x W 6 L x 4 W Play Activity Location Tabletop Manufacturer Part Number M2-415007 Manufacturer Maximum Age MONTHS 18