Expand your Radius Audio Learning System library with this new interactive Solar System kit! The latest addition to our multi - sensory learning program, this kit features varied and differentiated instruction in science concepts and reinforcement activities in an appealing range of formats. Students simply insert a content CD into the Radius, scan a bar - coded CD Card, and begin! Student - directed activities are ideal for centers or individual use and promote independent learning skills. Included blackline masters feature open - ended graphic organizers to encourage higher - order thinking. Kit is designed for the Radius Audio Learning System (LER6910, sold separately), which features four headphone jacks, allowing up to 4 students to complete quiet activities simultaneously. Includes 40 double - sided cards (8 "L x 9 "H, 36 - page spiral - bound blackline master book and 2 CDs.