Marina Aquascaper Plastic Plant, Corkscrew Vallisneria, 20 cm (8 in), safe, non-toxic plastic, they will not affect your aquariums water chemistry. The natural colour finish will not fade and is completely safe for a
Sheep eye, Pail of 1, preserved in Ward s One Solution, A safer alternative to standard formalin fixed specimens, From individual organs to whole organisms, unsurpassed tissue preservation with a safer experience for students
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: 50mm length, 25mm face size