Amazon: LineOn 108 Colors Gel Pen Set $18.15 (74% Off)

Do you like to color? For a limited time, Amazon has the LineOn 108 Unique Colors Gel Pen Set for only $18.15 (reg. $69.99). That’s less than 17¢ a pen! Use them with adult coloring books such as the Good Vibes Coloring Book (Coloring Is Fun) for $5.99 (reg. $9.99). The LineOn markers come in assorted color types, including glitter, neon glitter, metallic, neon, pastel, swirl and standard. Shipping is FREE with Amazon Prime (sign up for a FREE 30-day trial here).