Make Your Own Play Dough: It's easy, requires only household ingredients, and takes just 10 minutes. Gather flour, water, cream of tartar, salt, vegetable oil, and food coloring (get the exact recipe here), and in just a few minutes, you'll have long-lasting, nontoxic, homemade playdough! Source: Musings From a Stay at Home Mom
This simple color scavenger hunt for kids is unbelievably easy to throw together last minute and the kids have fun with it every single year. Great outdoor activity for kids, summer activity for kids, kids camping activity, color learning activity, and preschool color activity.