5A Funny Office Gag Coloring Books with Mandalas and Flower. The 30 hilarious gags in this coloring book will provide hours of entertainment!. Get ready for the most fun you will ever have with a sarcasm quote that you want to say at work. It is the best funny gift idea for your coworkers. Each book has 62 pages, there are blank pages in between designs to ensure that you are not coloring on the back of an image.