Diffraction Grating LensesQuantity: Party Pack of 10Celebrate the holidays with these patriotic glasses and view your world in bright new colors. The 3D rainbow burst will amaze you as the lenses split light into all the colors of the spectrum!  Printed in exciting full color graphics featuring the American Flag. Rainbow Glasses are great for watching Fireworks Displays, Holiday Lights, City and Street Lights and even the Moon and Stars. Experiment and have fun!!