Ingenious Minds Behind Common ContrivancesSize: 14Difficulty: hardUnsung Inventors of Everyday ToolsChallenging puzzle for experienced crossword solvers
Hidden Geniuses Behind Everyday ToolsSize: 6Difficulty: mediumUnsung Inventors of Everyday ToolsModerate difficulty suitable for most players
Hidden Geniuses Behind Everyday InnovationsSize: 20Difficulty: mediumUnsung Inventors of Everyday ToolsModerate difficulty suitable for most players
Hidden Geniuses Behind Daily DevicesSize: 19Difficulty: mediumUnsung Inventors of Everyday ToolsModerate difficulty suitable for most players
Everyday Tool Creators You Should KnowSize: 9Difficulty: easyUnsung Inventors of Everyday ToolsPerfect for beginners with simple, common vocabulary