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 “Spider Science” in Picture-Perfect STEM Lessons: 3-5: Using Children’s Books to Inspires STEM includes:1 White acrylic yarn, skein, 1 Tape, clear, 28 Plastic Spiders, 28 Paper plates (black or other dark color), 9", 28 Disposable cups, 1 Straws, 1 Cotton balls