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 “The Inventor's Secret” in Picture-Perfect STEM Lessons: 3-5: Using Children’s Books to Inspires STEM includes:1 Power source-bin, 1 Straws, 500pk, 1 Balloons, round, 10"+, 1 Rubber bands, asst'd, 1/4lb, 1 Axles-bin label, Body-bin label, Wheels-bin label, 1 Wooden skewers, 100pk, 1 Cotton swabs, 100pk, 1 Materials for attaching-bin, 1 Modeling clay, 4 color, 1lb, 14 tape, 2 Kitchen Sponges, 7 Air pumps for blowing up balloons , 7 tape measures, 1 Design Process Poster (enlarged version of p. XX), The Inventor's Secret poster, 2 Bins (plastic shoebox), 1 Box and Overshipper.