Share Word Search The Kids' Book of Simple Machines To create your word search for "The Kids' Book of Simple Machines", first select the words you want to use. Choose up to twenty words for your game by clicking on a suggested word or enter your own by typing over an existing word. Suggestions for your word search; click to add. BIOGRAPHICAL INFORMATION ACTIVITIES MATERIALS INVENTORS PROJECTS PERFECT MACHINE SCIENCE HISTORY FAMOUS EASIER EASILY PHOTOS PULLEY SIMPLE SAFETY MINDS BLAST SCREW KELLY TOOLS PLANE LEVER DAILY WEDGE INDEX LIFE LIST STEM How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title