DIY Crafts: Easy DIY Pen & Pencil Nail Polish Bottles - Cool Craft Idea (Mini Pencil & Pen DIYs)! Learn how to make DIY pen & pencil nail polish bottles that actually write! These mini pencils and pens are so easy to make and you end up with an adorable and unique pen or pencil :) In this easy DIY craft video tutorial learn how to make DIY mini pens & pencils. I hope you have fun with this cool DIY pencil and pen craft idea. Perfect DIY Nail Polish Bottle Craft Ideas!