Molymod Biochemistry Model Set includes 257 durable molded color atom pieces and 160 links/bonds sorted into two compartmentalized boxes. Easy-to-use set that encourages students to explore the amazing world of molecular biochemistry consists of all the necessary components to ...Molymod Biochemistry Model Set includes 257 durable molded color atom pieces and 160 links/bonds sorted into two compartmentalized boxes. Easy-to-use set that encourages students to explore the amazing world of molecular biochemistry consists of all the necessary components to make structures such as amino acids, peptides, saccharides, purines, pyrimidines, phospholipids, mono and digylycerides, nucleotides and an alpha helix.