How does wax turn into a colorful crayon? Follow each step in the production cycle--from melting wax into a liquid to coloring a fun picture--in this fascinating book
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.