Elegoo Uno R3 Project Most Complete Starter Kit With Tutorial, 200+ Components Product Details More than 200 components, this is the most complete Arduino starter kit you will find. Great value starter kit with 63 kinds of arduino products. Has all the arduino products you need and a free PDF tutorial (more than 30 lessons) to show you how to use them. All code to use the modules is included on the CD. All the modules come soldered so they are easy to wire up. Includes UNO R3 controller board and USB cable, 100% compatible with Arduino UNO R3, Arduino kit. Kit comes packaged in compartmentalized case with a bonus box for small parts like LED?s, IC?s, buttons, diodes, etc. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.