KKmoon X-Cube RGB Splitter Combiner Dispersion Optical K9 Prism Six-Sided Bright Light Stained Glass Prism 20*20*20mm

Features:
With exquisite workmanship, smooth edges for confortable grip, looking pretty and gorgeous.
Made from optical K9 glass prism, has a good optical clarity, crystal-clear.
Can break white light into colorful and magical lights, beautiful and interesting.
Can be used for fun, creative decoration, photography props, physical experiment, etc. Great gift for family and friends.
Available in two sizes 15*15*15mm or 20*20*20mm.