PLEASE NOTE: This is a collected edition of 50 STEM Labs, 50 More STEM Labs, and 50 New STEM Labs. After selling thousands of downloads and copies of these volumes, the projects have been gathered into this collected edition for easier teaching!This volume collects all 150 project labs from the first 3 volumes sorted into 12 fun categories: *Architecture *Boats *Bridges *Cars *Eggs *Flight *Machines *Strength Tests *Task Completion *Throwers *Towers *TracksEach reusable project idea comes with rules, suggestions, and optional grading rubrics! And, unlike other series that spell out the whole project like a recipe to follow, the 50 STEM Labs Series only offers guidelines and suggestions to get started. Students have to develop their critical thinking and problem-solving skills to defeat the task at hand through use of the engineering & design process.Learn more at www.50STEMLabs.com