Great for gifted students and differentiated learning, this is a challenging puzzle that is sure to keep even your most dedicated students occupied. Students may work individually or in groups. This document includes: The “Flower Bomb” puzzle in three different levels of difficulty – intermediate, hard, and extreme, both in color and in black and whiteA short link to play the hard (middle) version onlineSolution KeyRulesetSolution TipsOverview of sudoku basics and vocabulary with picture example