Amazon.com: BIC 4-Color Fashion Ballpoint Pens (AMP21-AST), Medium Point (1.0mm), Assorted Fashion Ink Colors, Fun and Colorful, 2-Count : Beauty & Personal Care
BIC MMXP11C 4-Color Retractable Pen Fine, Medium Pen Point Type - Multi, Black, Red, Green Ink - 1 Pack - Newegg.com
7 BIC 4-Color Ball Pen Medium Fine Point 1.0mm 0.8mm Assorted Ink Pencil FunSet | eBay
Amazon.com : BIC 4-Color Ballpoint Pens, Medium Point (1.0mm), 4 Colors in 1 Set of Multicolored Pens, 3-Count Pack of Pens for Journaling and Organizing (MMP31-AST) : Office Products
My Bic 4 Color - Project A: I took a Bic 4-Color Pro and at first swapped out the yellow ring (pita) to make it all black, but it honestly looks better
Amazon.com: BIC 4-Color 3+1 Ballpoint Pen and Pencil, Pen Medium Point (1.0 mm), Pencil 0.7mm Lead, Assorted Ink Colors, 1-Count : Beauty & Personal Care