Assembly elements and guide are included in the box. It has an uncomplicated assembly structure for your convenience. Additional tools may be needed. Thanks to its outstanding design you can adjust the width of the bookcase or even use it as a corner bookcase. Cleaning with a slightly wet cloth would be enough. We recommend not to leave your furniture wet for too long. The bookcase is made of high-quality melamine faced chipboard finished in oak wood-loook. Made in Turkey | Samba Extendable Bookcase | Wowcher