Colorful, durable, and instructive. Encourages students to participate in learning about such topics as the double helix, amino acid chains, and replication. Built to last; with normal usage the Plastick™ pieces are virtually indestructible. Each kit contains a 30 × 40" jumbo-sized demonstration board, over 100 Plastick™ pieces that stick without glue or magnets, a 40-page teacher's guide with detailed lesson plans, reproducible student worksheets plus answers, and storage boxes.