Equilateral Prism, Material: acrylic, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 25mm length, 25mm face size
Marina Aquascaper Plastic Plant, Foxtail, 20 cm (8 in), realistic, safe, non-toxic plastic, they will not affect your aquariums water chemistry. The natural colour finish will not fade and is completely safe for all