In a large mixing bowl, stir together the oats, flour, sugar, bran, 7 grain cereal, baking powder, and cinnamon.
In a medium bowl, combine eggs, milk, oil, honey, and fruit; add egg mixture all at once to dry ingredients. Stir quickly just till dry ingredients are moistened.
Line muffin pans with paper baking cups; fill 2/3 full. Bake in a 400°F oven for 15 minutes or until done. Makes about 36 muffins.