Create an illustration of a whimsical outdoor scene where children are building

Create an illustration of a whimsical outdoor scene where children are building a fort using sticks and stones. The fort is taking shape in a lush, green forest with a mix of tall trees and colorful flowers around. The children, full of excitement, are gathering and arranging the materials to make their fort sturdy and fun. The sky is bright and clear, adding to the cheerful atmosphere of their imaginative adventure.