Brackitz Wheels & Axles module is an add-on educational construction kit to the Brackitz Structures module (sold separately). Students can design simple moving machines and then explore STEM concepts measuring distance and speed or experiment with the impact of a variable incline. Designed specifically for the classroom supporting up 4-6 students at one time. Includes 25+ free online lessons and activities for grades K-6. A reusable storage bin keeps all the pieces together and organized.