Product Resources Product Videos How To: Setting Up and Using the Welch Allyn iExaminer How To: Choose a Littmann Stethoscope Downloads 3M Littmann Learning Institute App Welch Allyn Student Catalog Welch Allyn Diagnosis 101 Special Offers Free Accessory Kit We have a special free offer for students only. 3M Health Care would like to support your auscultation educational needs by providing you a 3M Littmann Student Accessory Kit free with the purchase of a Littmann Electronic Stethoscope Model 3100 or 3200, Cardiology III, Cardiology STC, or Master Cardiology stethoscope. The Littmann Student Accessory Kit, valued at $45.00, includes a one-hour Heart sounds audio CD with study guide, an extra pair of patented 3M Littmann Soft-Sealing Eartips and an engravable I.D. Tag. Ships automatically with the purchase of any qualified product.