Cricut Explore/Maker Fine Point Pen Set 5-pack (Classics); Add colorful messages or drawings to your projects with the Cricut Classic Pen Set. Use with your Cricut Explore and Maker machine; 5 fine-point pens in Red, Yellow, Green, Blue, and Black; Write and draw with your Cricut Maker, Cricut Explore One (requires Accessory Adapter), Cricut Explore, and Cricut Explore Air; Pens are water-based, acid-free, nontoxic, and permanent after dry