All necessary panels to make IKEA kallax shelving units. Sides, top, bottom, shelves and partitions. Hardware to assemble can be purchased on Amazon for five to ten dollars depending on which unit you want to build. Panels can be used to make 2cube by 2cube (77x77), 4cube by 4cube (147x147), 2cube by 4cube (77x147). Or get creative and make something all of your own. Can take as many or few pieces as you want. Tell me which unit you want to build and I’ll put the necessary panels in a set for you.