Paper Mate InkJoy Retractable Ballpoint Pens, Assorted Ink, 8 Pack – Link

Amazon has currently got this marked down to just $3.

Note that this is an “Add-on Item” which only ships with a minimum $25 Amazon order.

• Ultra-smooth ink in 8 Vivid shades keeps the fun and ideas flowing
• Reliable and fluid 1.0mm medium tip draws bold lines from beginning to end
• Retractable design is ready to write with just a click
• Comfortable grip feels good in your hand
• Includes: 1 magenta, 1 red, 1 orange, 1 green, 1 turquoise, 1 blue, 1 purple and 1 black ballpoint pen