Unlock the World of Secret Codes!Bring high‑engagement problem‑solving into your classroom with this complete Intro to Cryptography lesson pack. Students explore ciphers, codes, cryptograms, glyphs, and the fascinating science behind secret communication. Perfect for Gifted & Talented, STEM enrichment, logic units, and upper‑elementary extension. This resource breaks down complex ideas into clear, student‑friendly explanations and hands‑on activities. Students learn how to encrypt and decr