Gaze and Amaze includes everything you'll need except two AA batteries to demonstate and experiment with hologram glasses. When staring at a point of light the specially etched polarizing lens create an image that reveal a secret message. Kit contains two point-source lights (white and blue), battery holder and the special glasses. Six-page booklet includes full instructions and explanations, experiment suggestions, scientific questions to probe and ideas for data recording. Gaze and Amaze Kit......................$425 ea. Glasses only, 20 or more..............$225 ea.