Your kit includes 4 shelves, 1 drawer storage bin, 2 notions and accessory boxes and 3 thread storage boxes. Two shelves attach firmly to the right extension unit. The drawer bin and the five storage boxes fit perfectly on the handy accessory shelves to the left of your machine. Two shelves attach firmly to the left extension unit. Perfect for fat quarters; pull out the bin and work with it on top of the cabinet. The drawer bin fits in the bottom drawer to create upper and lower storage options. You get three, full capacity thread storage boxes and two notions boxes - each with two levels of compartments. Remove the drawer bin and fill the deep drawer all the way to the top with fabric and notions. Stack your storage right on the work surface; at time of order, you can add-on an additional set of 5 boxes as well as a set of 4 XL thread storage boxes for your 1,100 yard spools and mini cones. The drawer bin can also fit in either regular drawer to help you organize. At time of order, you can also add-on another drawer storage bin. [+] Roll-over thumb-nails for larger view