Free Express Shipping! XYZprinting Grades 9-12 STEAM Curriculum One Lesson (Download) Designed for Grades 9 to 12, Uses Next Gen Science Standards (NGSS), One Lesson Plan Included, Works with XYZprinting 3D Printers
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.