Discover the color spectrum first-hand with these acrylic prisms. Humans have been fascinated with prismatic effects since they saw the first rainbow.
Over three hundred years ago, Sir Isaac Newton concluded that a prism separates white light into red, orange, yellow, green, blue, indigo, and violet. These durable equilateral prisms are great when glass is not an option. 3" x 2½" x ⅞". Ages 4 and up.
Free Regular Shipping on Orders of $50 or more (merchandise total). Valid to all U.S. destinations. Not valid for drop-ship items. To redeem, enter FREE SHIP 50 in the coupon code box during checkout. Offer ends 3/31/2015.