Keyestudio 48 Sensors Modules Starter Kit For Arduino With Lcd, 5V Relay, Sound, Product Details This electronic sensor kit contains 48 pieces most popular and mainstream sensors and modules, allow you to do a lot devices, robots and other interactive device with the best price. This kit Not contains arduino controller board. Compatible with various micro-controllers and Raspberry Pi, such as mega 2560, r3 development board, pro micro, leonardo, etc. Note we only offer arduino instructions. We provide detailed projects for each sensor based on development board, including wiring method, test code, etc. Download the arduino tutorial from wiki website. This is high quality sensor kit with exquisite packaging. It's a perfect present for junior high and high school inventors, hackers, designers, and tinkerers of all levels. The tutorial shows wiring for the Arduino and gives example code. All of this makes getting started with sensors quite easy. The professional support team is ready to answer any questions. 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.