The next time a new idea bubbles forth, you’ll be ready with this ingenious Circa® discbound refill. This Circa brainstorming refill helps you organize your thoughts: 90 sheets of Brain Dump format—To Do, Thoughts and Other on front, and rules, dot grid, grid and window on back—plus 10 dot grid sheets, so you can sketch, calculate, notate and doodle until your brainchild starts to come to life.