DNA Model for Biological Education . This DNA model is specially designed for biological education and classroom learning. Made from high-quality PVC material, it is durable, lightweight, and suitable for repeated use in schools, colleges, and laboratories.
Chemical Molecule Ball and Stick Model Molecular Structure Kit is a comprehensive learning set designed to help students explore both organic and inorganic chemistry concepts in a hands-on way. With 240 pieces, including 86 atoms, 153 bonds, and a short link removal tool, this kit allows children to build a wide variety of molecular structures.