Poppit Beads, Yellow Pack of 200 
Poppit beads are a useful laboratory modelling unit. They can represent disaccharide and polysaccharide molecules in demonstrating carbohydrate metabolism and can also be used to represent genetic code as well as whole chromosomes, or as amino acids, dipeptides, monosaccharide, polypeptides and proteins in protein metabolism. 10mm beads. Bags of 200. Yellow.