Celebrating 15 years of this beautiful challenge! Here are the Project 333 Challenge rules to help you get started. ⠀⠀⠀⠀⠀⠀⠀⠀⠀ When to start Project 333: Every three months. New seasons start on Jan. 1, April 1, July 1, and Oct. 1, but you can start anytime. ⠀⠀⠀⠀⠀⠀⠀⠀⠀ What to include in your Project 333: 33 items including clothing, accessories, jewelry and shoes. ⠀⠀⠀⠀⠀⠀⠀⠀⠀ What not to include in your Project 333: These items are not counted as part of your 33 items – a sentimental piece of jewel