Download or read book Curious Pearl Tinkers with Simple Machines written by Eric Mark Braun and published by Capstone. This book was released on 2019-05-01 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Curious Pearl and her brother don't like chores. They'd rather play with their kitten. But Dad looks serious, so Pearl and her brother come up with a solution. They build a contraption to help them with their chores. As they build, Pearl teaches her brother all about simple machines. Free bonus video content through the Capstone 4D augmented reality app enhances the science experience.