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Learn simple ways to save the planet in this in-depth, full-color, fact-filled activity book with stickers! There''s more to going green than reduce, reuse, recycle. Learn all sorts of mind-blowing facts about current environmental issues and what can be done to protect our planet with this giant book filled with mesmerizing mazes, Sudoku challenges, fun math activities, plus more than 50 bonus stickers. Kids will enjoy playing the games and quizzing their family and friends as they complete over 100 activities to become eco-warriors!