OOLY, Rainbow Colored Mechanical Pencils (128-106) VARIETY: This set of colored mechanical pencils is everything you need for a colorful pencil experience with 12 colors in all. QUALITY: Rainbow Mechanical Pencils aren't your typical mechanical pencils; they have very thick colored leads; 2mm in fact, so you won't have any problems with lead breakage. Plus, since the leads are so thick they can be sharpened to! VERSATILITY: Great for coloring, drawing, colored note taking and textbook highlighting, Rainbow Mechanical Pencils are a great set of colored pencils for all coloring needs! REFILLABLE: Running out of colored lead? No problem! Rainbow Mechanical Pencils have refillable colored leads, so when you run out of color you can just simply pop off the top and refill with the included extra lead refill right in the case. PORTABLE: Clear plastic box creates easy portability to always take with you on-the-go. Bring these mechanical colored pencils anywhere and everywhere! Whether you are going to school, work, or on a long road trip, these pencils are the perfect traveling companion.