Using Picture-Perfect STEM Lessons: 3-5: Using Children’s Books to Inspires STEM Learning in your classroom is easier than ever! NSTA’s ClassPacks, each sufficient for a class of 28 students, are lesson-specific collections of materials—an unmatched time-saver and a great deal. This ClassPack for the book chapter “Solving the Puzzle” in Picture-Perfect STEM Lessons: 3-5: Using Children’s Books to Inspires STEM includes:1 Box of Straws, 14 Permanent markers, Sharpies, 14 Rulers, 1 Plaster of Paris, 4 lb container, 1 screwdriver, phillips head, 14 Color copy of the “Seismicity of Earth, 1960–1980, 14 Color copy of the Heezen–Tharp maps (from the engage phase),1 Box and Overshipper.