Lego WeDo 1.0 Construction Kit 9580. This is a retired Lego product that was not available for purchase after 2017. 158 pieces including a motor, tilt sensor, motion sensor and USB hub. All pieces accounted for. This kit allows you to build and use block programming to program a robot. Great for beginning coders. WeDo Software download is available online. It is compatible with Windows 7, 8.1, and 10. You can also code with Scratch if you download the extension. These kits have been used but pieces are clean and all accounted for. All motors and sensors are in working order.