The lines of your coloring page are the rules you need to share with your team, share with them the boundaries. They are more likely to stay with in the lines if they know that they exist. Next by holding the work up for group and team acceptance they become their own self policing force. They can set self expectations and make constructive self criticism as well. The reward is acceptance and recognition from the team, an old saying is that a person can starve without any feedback, but only needs one good compliment to be filled to overflowing.
You have two recourses to opt, either keep a stock of colorful-sheet, or give according to the need of the children by getting the prints of coloring-pages from the PC. In case, you may start to give coloring book, then after exhausting a coloring book, you may need to do hassles to get additional coloring books plus they may use up additional space. Every time you discover a particular favorite picture in a coloring book and desire additional copies, you have to either locate a photocopy machine or Purchase various duplications of the book for a single page. Any time you see a good image on a coloring sheet - you can bookmark the website and get the colorful page from it, according to your need. No doubt, the colorful-sheets and sheets are true means of amusement and entertainment for the kiddos, without any bigger cost and without a hassle for colorful books.