Fred Flintstone's Adventures with Pulleys is a book in the Capstone series as a part of the Flintstones Explain Simple Machines line.
Summary[]
Have a Yabba-Dabba-Doo day with Fred Flintstone as he explains how a pulley works! Fred shows readers the Flintstones way of using simple machines in everyday situations. With simple, informative text narrated by Fred and a few other Flintstone characters paired with colorful illustrations, students wil learn all about simple machines and basic physics concepts!