The kaleidoscope is an optical instrument that contains loose mirrors, colored glass, beads or pebbles that combine to produce colorful patterns for the viewer. Now, this ageless toy has been incorporated into the cap of a pen kit that is sure to be a conversation starter! You are guaranteed to see a different view with each twist of the pen. Kit is equipped with an ultra-smooth single twist mechanism, along with a mini D1ink refill for optimum writing performance.