Dona Herweck Rice 
Making Crayons [PDF ebook] 

Learn how crayons are made with this fun and informative STEAM book! Perfect for kindergarteners, this title makes it easy for parents and teachers to introduce STEAM to their youngest learners. Created in collaboration with Smithsonian, this book uses real-world examples to make STEAM topics easier to understand. It features an age-appropriate STEAM activity that is ideal for makerspaces and introduces grade K students to the steps of the engineering design process. It helps beginning readers learn to read and is ideal for children ages 4-6.