How do I set up Mystery Science as a district vendor? February 06, 2025 16:41 You can find a copy of our up-to-date W-9 here. If your district also needs us to complete a vendor application, please email the vendor application to us here. We'll complete it and return it to you as quickly as possible! Related articles Where did all the old lessons go? What was the old unit lesson order? Lesson 1 - How much water is in the world? What is the pricing for Mystery Packs? How do I share lessons with students? Curriculum Updates At-A-Glance 2025