in brief: STEM lab kit Build a pin hole camera & learn rules of geometrical optics. SIMPLE materials, no mess, 100% success!*What's Inside:1) printable students guide for building a working pinhole box2) extra slides with explanation (print or screen in class)3) question sheet and answer keylearning utilities and goals:Building manual with visual aidsDate collecting and manipulation: a structured inquiryLearning how to use geometric methods for tracing imagesIn some classes, I spiced the les